Definition of open in English:

open

Syllabification: o·pen
Pronunciation: /ˈōpən
 
/

adjective

  • 1Allowing access, passage, or a view through an empty space; not closed or blocked up: it was a warm evening and the window was open the door was wide open the pass is kept open all year by snowplows
    More example sentences
    • The sun is up and it's warm enough to have the windows wide open, and you can watch the world waking up.
    • Elsewhere, a cheerful member of staff is sitting at a desk which completely blocks an open doorway.
    • As he proceeds to end it all, the young man hears a haunting Mozart melody emanating from an open window.
    Synonyms
    not shut, not closed, unlocked, unbolted, unlatched, off the latch, unfastened, unsecured; ajar, gaping, wide open, yawning
  • 1.1(Of a container) not fastened or sealed: the case burst open and its contents flew all over the place
    More example sentences
    • An airport screener smelled alcohol and found an open container of alcohol on the pilot.
    • The cleaners picked up an open packet of Jelly Babies from the theatre.
    • Always reseal open bags to prevent the mix drying out and store it in a cool, dark environment.
  • 1.2(Of the mouth or eyes) with lips or lids parted: his eyes were open but he could see nothing
    More example sentences
    • Her eyes were open but she was quaking now with a lost look on her face.
    • Her glazed eyes were still open, unblinking, staring fixedly at nothing in particular.
    • Asked why he was robbing the house, one man wordlessly pointed to his open mouth to indicate he was hungry.
  • 1.3(Of a garment or its fasteners) not buttoned or fastened: his tie was knotted below the open collar of his shirt
    More example sentences
    • He was wearing a pinstriped suit and an open shirt, and he had a ponytail.
    • We met on his enormous yacht, and he wore a captain's cap and an open shirt with epaulets.
    • His shirt is open showing his slightly muscular build.
    Synonyms
    unfastened, not done up, undone, loose; unbuttoned, unzipped, unbuckled, untied, unlaced
  • 1.4 Phonetics (Of a vowel) produced with a relatively wide opening of the mouth and the tongue kept low.
    More example sentences
    • A closing diphthong ends closer than it begins, while an opening diphthong ends more open than it begins.
    • Then comes the balm of the refrain-couplet with the open vowel sounds in ‘Golden lads, and Gz'rles all.’
    • Cockneys have short and open vowels, whereas the Cornish have longer vowels and speak fairly slowly.
  • 1.5 Phonetics (Of a syllable) ending in a vowel.
    More example sentences
    • There is a preference among many world languages for open syllables.
    • In comparison, the long vowels, which can occur in open syllables, show a higher degree of phonological autonomy.
    • All Japanese syllables are open.
  • 1.6(Of the bowels) not constipated.
    More example sentences
    • The bowels were open, but the stools consisted only of green and black slime.
    • The nursing record indicates that her bowels were open.
    • He has a good appetite, and his bowels are open.
  • 1.7(Of a game or style of play) characterized by action that is spread out over the field.
    More example sentences
    • Coming into this game, Charlestown's open style of football was the talk of the county.
    • It's so much easier to score goals employing a more open style of play.
    • Improved playing surfaces this season have helped the Sharks, a side who like to play fast, open rugby.
  • 2 [attributive] Exposed to the air or to view; not covered: an open fire burned in the grate days without food and water in an open boat
    More example sentences
    • Instead, the food is cooked over open fires, causing serious deforestation.
    • This rustic farmhouse offers beef or lamb, roasted on an open log fire.
    • At the moment, heating comes from open fires or stoves in each room.
  • 2.1(Of an area of land) not covered with buildings or trees: increasing numbers of new houses in open countryside
    More example sentences
    • There is a clause in the planning law against building development on open land.
    • In the heart of Lanarkshire, just nine miles from the centre of Glasgow, lies a vast expanse of open land.
    • The diversity of its landscape is unique, and includes woodland, open heathland and coastal land.
    Synonyms
    unenclosed, rolling, sweeping, extensive, wide open, unfenced, exposed, unsheltered; spacious, airy, uncrowded, uncluttered; undeveloped, unbuilt-up
  • 2.2(Of a fabric) loosely knitted or woven.
    More example sentences
    • It's usually done with a tack cloth which is an open weave fabric treated with a wax.
    • Look for a natural fabric with a loose, open weave such as burlap or some types of cotton and linen.
    • It is a poly cotton blend with an open knit.
  • 2.3(Of a team member in a game) unguarded and therefore able to receive a pass: the trick is spreading the defense so that at least one receiver gets open
    More example sentences
    • How many times do you see teams draw a double team then pass to an open man and get an easy basket?
    • He sets up the offense when he can penetrate and dish the ball out for open jumpers.
    • All Wesley needs to concentrate on now is hitting the open jumper and playing defense.
  • 2.4(Of a goal or other object of attack in a game) unprotected; vulnerable.
    More example sentences
    • With an open goalmouth in front of him, he put the ball over the cross bar.
    • He sent the ball wide of the virtually open goal.
    • The keeper came racing out of his area, but Giggs took the ball round him to leave sight of an open goal.
  • 2.5 [predic.] (open to) Likely to suffer from or be affected by; vulnerable or subject to: the system is open to abuse
    More example sentences
    • How can it be made easier to do business here, without leaving the system open to even more abuse?
    • As many people could not read or write, the system was open to abuse and corruption.
    • Senior electoral officers in the city admit the system could be open to abuse.
    Synonyms
    vulnerable to, subject to, susceptible to, liable to, exposed to, an easy target for, at risk of, permitting of
  • 2.6(Of a town or city) officially declared to be undefended, and so immune under international law from bombardment.
    More example sentences
    • However the Soviet Union could not carry out show trials in Berlin, which was an open city.
    • Picasso's masterpiece articulates the horror and outrage felt by all civilized people at the wanton bombing of an open city.
    • On 13 June Paris was declared an open city, as the French government fled to Bordeaux.
  • 2.7With the outer edges or sides drawn away from each other; unfolded: the trees had buds and a few open flowers
    More example sentences
    • Veronica are open, airy flowers which are ideal for arrangements, bringing both shape and a sense of relaxed style.
    • It looks a bit like an open lotus flower, red and green with edible silver on the outside.
    • If there was not an open flower under that leaf, the flies rapidly walked down the stem and up another stem, instead of flying.
    Synonyms
    spread out, unfolded, unfurled, unrolled; extended, stretched out
  • 2.8(Of a book or file) with the covers parted or the contents in view, allowing it to be read: she was copying verses from an open Bible
    More example sentences
    • Her biology book was open in her lap and she was staring at me with an annoyed expression on her face.
    • She sat at her desk with her open physics book but could not make sense of a word she was reading.
    • She laid the open atlas down on the table and began to dig through kitchen drawers.
  • 2.9(Of a hand) not clenched into a fist.
    More example sentences
    • She quickly moved her foot and replaced it with an open hand to help him to his feet.
    • The log books show that in those days impertinence was punished by one or two cuts with the cane - or a slap with an open hand.
    • Steven slammed his open hand down on the wall beside Darren's head, causing Darren to cringe.
  • 2.10 [as complement] Damaged or injured by a deep cut in the surface: he had his arm slashed open
    More example sentences
    • They also contain rotting rubbish smells and stop the mess caused by cats ripping open bin liners.
    • Blood had splattered onto every wall; Williamson's throat had been slashed open.
    • Their stomachs are ripped out, their chests crushed, their throats ripped open.
  • 3 [predic.] (Of a store, place of entertainment, etc.) officially admitting customers or visitors; available for business: the store stays open until 9 p.m.
    More example sentences
    • Businesses are open again, subways are running, and classes are being taught at schools and colleges.
    • He said the office in Market Place was open all day on Saturday, so the couple could have called with any problems.
    • The activity centre was open for half-term fun on two days this week.
    Synonyms
    open for business, open to the public
  • 3.1(Of a bank account) available for transactions: the minimum required to keep the account open
    More example sentences
    • Other card issuers ask you to provide this information online or by telephone after your account is open.
    • Many expats want to keep their UK bank accounts open while they are abroad.
    • The Co-op was able to check back to 1981, and found nothing to show the account was open then.
  • 3.2(Of a telephone line) ready to take calls: our free advice line is open from 8:30 to 5:30
    More example sentences
    • Callers key in a security code and confirm their details, and the line is open round-the-clock.
    • Lines are open from midnight tonight and will close on Thursday, September 2 at noon.
    • Lines are open from 7.30 am to midnight and calls are charged at national rate.
  • 3.3(Of a choice, offer, or opportunity) still available; such that people can take advantage of it: the offer is open while supplies last we need to consider what options are left open
    More example sentences
    • He came back to Sofia and bashfully inquired if the offer was still open.
    • In return for this I have the full support of the organisation in finding a new job, and I have an open offer of a job here if ever I want it.
    • Those who want to pamper themselves can head to the spa as the offer is open only till October 31.
    Synonyms
    available, vacant, free, unfilled
    informal up for grabs
  • 5(Of a question, case, or decision) not finally settled; still admitting of debate: students' choice of major can be kept open until the second year
    More example sentences
    • I cannot say if it is necessarily an amendment, but the two matters were open.
    • Just how much of a geo-political improvement any alternatives would be is open for debate.
    • Quite how much you'll learn from it is open for debate, but it's an interesting way of preparing yourself for Easter.
    Synonyms
    unresolved, undecided, unsettled, yet to be settled, up in the air; open to debate, open for discussion, arguable, debatable, moot
  • 5.1(Of the mind) accessible to new ideas; unprejudiced: I’m keeping an open mind about my future
    More example sentences
    • Be patient with the people who matter most, and listen to their ideas with an open mind.
    • Wander the streets and markets alone, with an open mind, friendly face and polite gestures.
    • Those who have learnt to approach art with an open mind know that it's rewarding.
    Synonyms
  • 5.2 [predic.] (open to) Receptive to: the union was open to suggestions for improvements
    More example sentences
    • No group has the total answer and we would certainly be open to any ideas, suggestions and views.
    • She was open to suggestion on how her album should sound.
    • Be open to suggestions and invitations from people you meet along the way.
    Synonyms
    receptive, amenable, willing to listen, ready to listen, responsive
  • 5.3 [predic.] (open to) Admitting of; making possible: the message is open to different interpretations
    More example sentences
    • It has been argued, for example, that the decision is open to two possible interpretations.
    • This is so because many of the laws of the game are open to different interpretations by the referee.
    • Furthermore, what befalls the body itself may be open to different interpretations.
  • 5.4Freely available or accessible; offered without restriction: the service is open to all students at the university
    More example sentences
    • The vision is to make the centre an active hub, open full time to everyone who requires its resources.
    • The long term solution to ending tyranny around the world is free and open trade.
    • It may well be the case that free open competition is best for us all in the long term irrespective of creed or colour.
    Synonyms
    available, accessible, on hand, obtainable
  • 5.5 (also Open) With no restrictions on those allowed to attend or participate: an open audition was announced each horse had won two open races
    More example sentences
    • They were preparing a report on traffic in Skipton and held an open session in Skipton Town Hall.
    • This needs to be discussed in an open forum and both sides have to put forward their own arguments.
    • This is the girl with the boring poetry who wanted to read at an open mic night.
  • 5.6(Of a ticket) not restricted as to day of travel.
    More example sentences
    • It was always just an open ticket, entitling you to travel certain routes.
    • The business saver ticket will remain a competitive option, which offered many advantages on a standard open ticket.
    • I had an open ticket to return to Thailand.
  • 6 Music (Of a string) allowed to vibrate along its whole length.
    More example sentences
    • You can learn how to use an open string to give a reference tone when playing the fiddle.
    • I am looking for good open string licks in the key of E.
    • Bad technique can cause some players difficulty in playing the bass notes unless it is on an open string.
  • 6.1(Of a pipe) unstopped at each end.
    More example sentences
    • Water ran in and out via open pipes and troughs.
    • There was an open pipe between the two adjoining properties.
    • If there is a drop outlet or an open gutter at the other end of the run, install an end cap there, too.
  • 6.2(Of a note) sounded from an open string or pipe.
    More example sentences
    • He provides a great deal of hard information about transposing brass instruments, such as hand horns crooked in different keys to give a maximum of open notes.
    • Alex felt her guitar continuously play the open notes.
    • When an open note is followed by a fretted note on the same string, it is damped when the fretted note is formed.
  • 7(Of an electrical circuit) having a break in the conducting path.
    More example sentences
    • No or low output voltage means the transformer winding has open or shorted winding.
    • This is an example of an open circuit, a gap in the loop preventing charge carriers from moving, thus preventing current.
    • In an open circuit, the free charges would simply remain on the electrodes and a voltage could be measured.
  • 8 Mathematics (Of a set) not containing any of its limit points.
    More example sentences
    • Let the point set M be the sum of the open sets Mx, M2.
    • Any metric space is an open subset of itself.
    • When combining two open sets the resulting set is again open.

verb

[with object] Back to top  
  • 1Move or adjust (a door or window) so as to leave a space allowing access and view: she opened the door and went in [no object]: Open up!” he said
    More example sentences
    • Neighbours wrote that the smell gets so bad they cannot open their windows and doors.
    • By opening windows, doors, and vents on the lower floors you increase the ventilation in your house.
    • She ran out of the bathroom into her room, locked the door, and opened the window.
    Synonyms
    unfasten, unlatch, unlock, unbolt, unbar; throw wide
  • 1.1 [no object] (Of a door or window) be moved or adjusted to leave a space allowing access and view: the door opened and a man came out
    More example sentences
    • The door opened and I entered the dark corridor, closing the door behind me.
    • There was this figure peering out of the front left window as the door opened.
    • After a minute, the door opened, and a pretty face popped out of the door.
  • 1.2Undo or remove the lid, cover, or fastening of (a container, package, letter, etc.) to get access to the contents: he opened a bottle inexpertly, spilling some of the wine can we open the presents now?
    More example sentences
    • He opened the box and removed five hundred dollars in cash and a handful of fake passports.
    • He opens the envelope and removes a yellow card and a blue one.
    • Sitting down beside me he carefully opened the box and removed a small brown brick.
    Synonyms
    unwrap, undo, untie, unsealuncork, broach, crack (open)
  • 1.3Part the lips or lids of (a mouth or eye): she opened her mouth to argue
    More example sentences
    • I remember wanting to scream, but I couldn't open my mouth, couldn't even open my eyes.
    • Her eyes flashed and she opened her mouth to say more, then snapped it shut, and looked away.
    • She opened her mouth, trying to speak, but no words came out.
  • 1.4 [no object] (Of the mouth or eyes) have the lips or lids parted in this way: her eyes slowly opened
    More example sentences
    • When it touched his eyelids, he groaned in annoyance, his eyes slowly opening.
    • She could feel her eyes slowly opening, and all she saw was red for a moment.
    • In a moment, he was still again, his eyes opening slowly with tears trickling from them.
  • 1.5 [no object] Come apart; lose or lack its protective covering: old wounds opened and I bled a little bit
    More example sentences
    • Old wounds were opening again and I was finding it impossible to heal them.
    • Old wounds opened as he remembered the sting of refused sanctuaries and broken friendships.
    • A wound had opened that could not heal, at least, not one that she could do anything about.
  • 1.6Improve or make possible access to or passage through: the president announced that his government would open the border
    More example sentences
    • We're going to have nothing but trouble if the border is opened.
    • So while borders are being opened to indiscriminate trade, small producers are being regulated out of existence.
    • The US Department of Agriculture said Wednesday the border could be opened in March.
  • 1.7Cause evacuation of (the bowels).
    More example sentences
    • It can cause sharp pain, especially when opening the bowels.
    • The pain may be mild or severe, and may be made either better or worse by opening the bowels, passing wind or eating.
    • These pains are typically sharp and knife-like due to the fissure opening up each time your bowels are opened.
  • 1.8 [no object] (open onto/into) (Of a room, door, or window) give access to: beautiful French doors that opened onto a balcony
    More example sentences
    • This room features full-length windows and patio doors opening onto a private balcony.
    • Corner doors open onto the main meeting room.
    • The hotel room had French doors opening onto a little balcony that overlooked a regular street.
    Synonyms
    give access to, lead to, be connected to, communicate with; face, overlook, command a view of
  • 1.9 [no object] (Of a panorama) come into view; spread out before someone: stop to marvel at the views that open out below
    More example sentences
    • Gradually Rosedale opened to view and we dipped into North Dale which is hidden from the fray but spacious.
    • Then, at Goose How, the views open towards Kentmere and the Horseshoe of hills beyond.
    • Then, as the highway approaches Three Rivers, the view opens to encompass the snow-covered Sierra.
  • 1.10 Nautical Achieve a clear view of (a place) by sailing past a headland or other obstruction: we shall open Simon’s Bay at any minute now
    More example sentences
    • At length we opened the Bay of New York.
    • As soon as we opened the head-land to the westward of us, a sudden squall took the boat.
  • 2Unfold or be unfolded; spread out: [with object]: the eagle opened its wings and circled up into the air the tail looks like a fan when it is opened out fully [no object]: the flowers never opened beyond narrow points
    More example sentences
    • It looks like a flower that opens all of it's petals at once.
    • It grows to 150 cm and opens its clear white blooms at the same time as forsythia.
    • The bird opened its wings and began flapping furiously.
    Synonyms
    spread out, unfold, unfurl, unroll, straighten out; extend, stretch out
  • 2.1Part the covers or display the contents of (a book or file) to read it: she opened her book at the prologue
    More example sentences
    • He shifts his specs down his nose, opens his book and reads in an exaggerated manner.
    • She opened the file and read through a bit of it.
    • Walking into a book shop, Carl opens a volume of Pride and Prejudice, to find it contains hundreds of pages of the first sentence, repeated over and over.
  • 2.2 [no object] (open out) Become wider or more spacious: the path opened out into a glade
    More example sentences
    • Every now and then the path opens out to another viewing point accessible by road, and the crowds return.
    • Just when you think you've gone the wrong way, the sea becomes visible ahead and the path opens out on to a glorious pebbled beach.
    • Eventually, after a particularly tortuous twist, the path opened out.
  • 3Make available or more widely known: the new plan proposed to open up opportunities to immigrants the move may force the company to open up its plans for the future
    More example sentences
    • On the other hand, the war opened up new possibilities for using military channels as a means to organize resistance.
    • Edward enjoyed the solitude so much that he and Marie began opening up their land to other artists.
    • These questions have begun to open up new lines of enquiry and to revitalize old ones.
  • 3.1 [no object] (open up) Become more communicative or confiding: neither one of them had opened up to me about their troubles
    More example sentences
    • To feel safe and secure in your relationship, you'll have to open up and communicate how you feel.
    • At other times he appeared to be opening up to the public.
    • How do you get a victim of bullying to open up and admit it?
  • 3.2Make (one’s mind or heart) more receptive or sympathetic: open your mind to what is going on around you
    More example sentences
    • I will concede that foreign travel isn't for everyone but I'm firm in my belief that travel really opens one's mind and helps nurture a respect for the international community.
    • So anyway, my point is that society, or at least part of it, seems to be opening their minds a little.
    • Your students' minds will be opened to how far art and design reach into our daily lives.
  • 3.3 (open someone (up) to) Make someone vulnerable to: the process is going to open them to a legal threat
    More example sentences
    • The House of Commons was opened to almost universal derision.
    • Companies are very concerned that this opens them up to whole new levels of liability that, prior to the Internet, they were not going to have to worry about.
    • It's opened him up to all these attacks which are awkward to answer.
  • 4Establish (a new business, movement, or enterprise): they have opened a new restaurant across the street
    More example sentences
    • There are a number of things that a new business owner should plan for and think about before opening the business.
    • The two building firms behind the venture are also in talks with a restaurant operator as to opening a business on the ground floor of the building.
    • He was apprenticed to Robert Gillow of Lancaster, then opened a business in London about 1760.
  • 4.1 [no object] (Of an enterprise, meeting, or event) begin or be formally established: two new restaurants open this week
    More example sentences
    • Despite election fever, there is time for other things and two remarkable new enterprises have just opened in New York.
    • The new venture opens with a variety of menus.
    • The church-led project opened in August last year but closed in February when it failed to attract enough visitors.
    Synonyms
    open for business, start trading, set up shopbegin, start, commence, initiate, set in motion, launch, get going, get underway, get the ball rolling, get off the ground; inaugurate
  • 4.2Make or become officially ready for customers, visitors, or business: [with object]: one woman raised $731 by opening her home and selling coffee and tea [no object]: the mall didn’t open until 10
    More example sentences
    • Staff at the William Hill betting shop in London's Earls Court wore pyjamas as they opened for business at 7am.
    • We found a restaurant and ate breakfast and then walked the mall until it opened.
    • The few city centre shopkeepers that had bothered to open waited forlornly for customers.
  • 4.3Take the action required to make ready for use: they have the $10 necessary to open a savings account click twice to open a file
    More example sentences
    • If you do not have a telephone betting account you will be required to open one in order to collect your prize.
    • Add any new address that you want to keep receiving to the new rule by opening Rules Wizard and clicking Modify.
    • Title bars have menus which are opened with right mouse clicks in the title area.
  • 4.4 [no object] (Of a piece of writing or music) begin: the chapter opens with a discussion of Anglo-American relations
    More example sentences
    • The piece opens with Sal attempting to buy a peach.
    • This story opens with him writing, but he is soon interrupted by a call to supply the book for an opera.
    • The piece opens with a yearning, lyrical duet.
  • 4.5 (open up) [no object] (Of a process) start to develop: a new and dramatic phase was opening up
    More example sentences
    • A struggle for the re-division of the world has opened up and this process dominates politics.
    • A great opportunity is opening up before the environmental movement.
    • A completely new political and social phase is opening up in Italy.
  • 4.6Officially or ceremonially declare (a building, road, etc.) to be completed and ready for use: we will have to wait until a new bypass is opened before we can tackle the problem of congestion
    More example sentences
    • On the same day in 1932 the New Shakespeare Memorial Theatre was opened by the Prince of Wales.
    • In 1884 the State Opera House was opened in Budapest with its own ballet company attached.
    • The eight storey library next to the National Museum was opened in 1967.
  • 4.7(Of a counsel in a court of law) make a preliminary statement in (a case) before calling witnesses.
    More example sentences
    • It cannot realistically be suggested that counsel's error in opening the case had any influence upon the course of the trial.
    • Mr McKendrick then opened the defence case and the panel heard evidence from the defendant himself and from his mother.
    • Certainly there are a number of States where it is the practice for the defence to open their case.
  • 4.8 Bridge Make (the first bid) in the auction.
    More example sentences
    • I opened one heart, and the opponents messed up the ensuing auction and defence.
    • I don't want to tell you to open at the one level every time you have four points and your partner can't open.
    • We opened spades, and they bid clubs.
  • 5Break the conducting path of (an electrical circuit): the switch opens the motor circuit
    More example sentences
    • If a fuse is in the supply circuit, it will do its job and blow out, opening the circuit and stopping the current flow.
    • When this disc is turned it activates a metal tongue which alternately closes and opens the electric circuit.
    • A circuit breaker ‘trips’ its switch to open the circuit, and the circuit is reconnected by closing the switch manually.
  • 5.1 [no object] (Of an electrical circuit or device) suffer a break in its conducting path.
    More example sentences
    • If the demand for electrical current exceeds the safety level, a fuse opens once and must be replaced to reconnect the circuit.
    • The motor circuit will open if an over-temperature condition develops.
    • The normally closed alarm circuit will open if a fault occurs in either of the input power supplies.

noun

Back to top  
  • 1 (Open) A championship or competition with no restrictions on who may qualify to compete: the venue for the British Open
    More example sentences
    • She beat elder sister Venus in the championship matches at the French and US Opens and Wimbledon last year.
    • He has already held all four major titles at once, taking the 2000 US and British Opens and PGA Championship plus the 2001 Masters.
    • The American has won the last three Australian Opens he has competed in, missing out only in 2002 while recuperating from wrist surgery.
  • 2An accidental break in the conducting path for an electrical current.
    More example sentences
    • An open in a wire prevents the propagation of a signal past the open.
    • If an open exists in a conductor, then the portions on either side of the open will appear bright on the x-ray.

Phrases

be open with

Speak frankly to; conceal nothing from: I had always been completely open with my mother
More example sentences
  • If he considered our conclusion to be in contradiction with his own view, or the public's opinion, he should have been open with us and spoken with us.
  • At the end of the day, BAA have nothing to gain from hiding information from the public domain, which is why we have always been open with our data, in order for the information to be used in external reports and publications.
  • I have a lovely audience of a similar type all over the world and I've always been open with them.

an open book

A person or thing that is easy to understand or about which everything is known: her mind was an open book to him
More example sentences
  • A lot about my life has been an open book.
  • Why, my dear fellow, I've read you like an open book.
  • Only to close friends am I an open book.

in (or into) the open

Out of doors; not under cover.
More example sentences
  • Locals say the only crowds were playing kids, who had been coaxed into the open by the soldiers' offers of chocolate.
  • People moved their beds outside into the open and slept under the sky during the hottest days.
  • Animals like this only come into the open when the natural food supply is short.
Not subject to concealment or obfuscation; made public: we have never let our dislike for him come into the open
More example sentences
  • If Britain is to be part of that process, the matter has to be brought out into the open and openly debated.
  • Differences between right and left are likely to spill into the open after the election.
  • The effect of legal action is to drag the tobacco companies into the open, which is precisely where they don't want to be.

in open court

In a court of law, before the judge and the public.
More example sentences
  • That Act does not specifically empower clerks or court administrators to attend in open court and remand or adjourn cases on the record as happened here.
  • The order, as formalised, does not reflect the reasons of the court, the order pronounced in open court by the judges making the order, or the intent of the judges.
  • I think there is no need to certify for counsel, as we have been in open court as the Court of Disputed Returns.

open-and-shut

(Of a case or argument) admitting no doubt or dispute; straightforward.
More example sentences
  • Neither side in this argument has an open-and-shut case, and certainly agreeing with the president's case doesn't make you a fool.
  • These are straight open-and-shut cases which police should have little trouble prosecuting since both the complainant, in the name of the council, and witnesses in buyers of the plots, are available.
  • You would think that confronted with such an open-and-shut case of missed opportunities, Peacock would immediately comply with Parks's request.

open the door to

see door.

open someone's eyes

see eye.

open fire

Begin to shoot a weapon.
More example sentences
  • Distracted by this new threat, the infantry began to open fire on the oncoming cars.
  • The two boxcars with machine turrets and the open artillery boxcar began to open fire.
  • Once he had cut the others free, Richard and I began opening fire on the others who were firing from the car.

an open mind

see mind.

with one's eyes open

see eye.
More example sentences
  • Some southerners still like to call what resulted the ‘War of Northern Aggression,’ but the truth is that the South started it knowingly and with open eyes.
  • So decisions are made with open eyes, with a clear consciousness of the benefits and the risks for Bulgaria.
  • We will face these threats with open eyes and we will defeat them.

with open arms

see arm1.

Phrasal verbs

open up

Begin shooting: the enemy artillery had opened up
More example sentences
  • When their entreaties were ignored, an infantry charge was ordered, the artillery opening up behind it.
  • At the same time, American artillery opened up on other, less sensitive rebel strong points.
  • Men who went over-the-top in trenches stood little chance when the enemy opened up with their machine guns.

open something up

  • 1Accelerate a motor vehicle.
    More example sentences
    • The ignition key was turned, the motor purred then, as the throttle was opened up, the motor roared and the bows lifted and we skimmed across the smooth gin clear water heading for Miller Creek.
    • After putting on life vests, Ronnie started the motor and we moved off slowly as the throttle was opened up.
    • I put the trim one notch above dead even, and opened the throttle up all the way.
  • 2(Of an athlete or team) create an advantage for one’s side: he opened up a lead of 14-8
    More example sentences
    • You have a lot more power plays and you get ahead and the other teams have to open it up.
    • He can score in bunches, and that opens things up for his teammates.
    • He has played a more balanced game this season, but the team needs him to be more aggressive on offense because he opens things up for his teammates.

Derivatives

openable

adjective
More example sentences
  • Obviously the door for people without prejudice isn't openable because as the tour guide says ‘Everyone has prejudice’.
  • Building services are generally domestic in scale, with openable windows, heating (but no air conditioning), external sun louvres and internal roller blinds.
  • Automatic openable elements in the ridge allow convection; glass at this level has 50 per cent shading factor, but lower down, glass is normally transparent.

openness

noun
More example sentences
  • Yet this could be the biggest risk of all for a politician who prides himself on his openness and accessibility.
  • They are very proud of their friendliness and their openness in helping out foreigners.
  • I am convinced that openness and participation will affect the nature of the decisions being made.

Origin

Old English open (adjective), openian (verb), of Germanic origin; related to Dutch open and German offen, from the root of the adverb up.

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