Definition of secure in English:


Syllabification: se·cure
Pronunciation: /siˈkyo͝or


  • 1Fixed or fastened so as not to give way, become loose, or be lost: check to ensure that all nuts and bolts are secure
    More example sentences
    • Our testers noted the shoe's superior ability to provide a springy push-off and a secure landing even on loose, rocky surfaces.
    • It takes up less room in the trunk than before and offers a very tight and secure fit when closed.
    • The gels, which are soft and pliable at room temperature, become firm when warmed to form a secure seal between the mask and the patient's face.
    fastened, fixed, secured, done up; closed, shut, locked
  • 1.1Not subject to threat; certain to remain or continue safe and unharmed: they are working to ensure that their market share remains secure against competition
    More example sentences
    • Everyone has the right to be secure against unreasonable search or seizure.
    • Gualtero was making sure that their tent was secure against any gusts.
    • Poverty is experienced by people without secure homes and stable employment, plus limited access to health, services and education.
    certain, assured, reliable, dependable, settled, fixed
  • 1.2Protected against attack or other criminal activity: the official said that no airport could be totally secure
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    • Only about 80 miles of the border is protected by secure fencing today.
    • Subsequently, the other side also deployed nuclear weapons in quantity and made them relatively secure from attack.
    • He has made our nation less secure, less safe, and less free.
  • 1.3(Of a place of detention) having provisions against the escape of inmates: a secure unit for youthful offenders
    More example sentences
    • There is a need for secure place of detentions when people are on remand.
    • The focus has instead switched to juveniles and the lack of secure places for hardcore young offenders.
    • Although the hospital takes ‘sectioned’ as well as voluntary patients, it is not a secure hospital and none of the wards is locked.
  • 1.4Feeling safe, stable, and free from fear or anxiety: everyone needs to have a home and to feel secure and wanted
    More example sentences
    • Along with the past they have shared, they are secure in the knowledge that whatever lies ahead, they will face it together.
    • Some will fare better than others when the kudos are handed out, but all will be secure in the knowledge that they gave it their best shot.
    • He needs to be secure in the knowledge that his Mommy and Daddy are in charge.
    safe, protected, protected from harm/danger, out of danger, sheltered, safe and sound, out of harm's way, in a safe place, in safe hands, guarded, invulnerable; at ease, unworried, relaxed, happy, confident
  • 1.5 [predic.] (secure of) • dated Feeling no doubts about attaining; certain to achieve: she remained poised and complacent, secure of admiration


[with object] Back to top  
  • 1Fix or attach (something) firmly so that it cannot be moved or lost: pins secure the handle to the main body
    More example sentences
    • Our advice is to secure it very firmly, be conservative with your speed and make frequent stops to ensure it isn't working loose.
    • When I was finished, I moved behind her and secured her hair up with some pins that Ae-Sun had given to me as well.
    • The other bracelet is secured to a firmly mounted horizontal hangar pole in his bedroom closet.
    fix, attach, fasten, affix, connect, coupletie up, moor, make fast; anchor
  • 1.1Make (a door or container) hard to open; fasten or lock: doors are likely to be well secured at night
    More example sentences
    • On liveaboard boats, cabin doors should be secured either open or shut when at sea.
    • Klaiman secures the doors open with hook-and-eye fasteners.
    • The thief used a hammer to pry open a padlock securing a door on the cabin and removed an empty cash box.
  • 1.2Protect against threats; make safe: the government is concerned to secure the economy against too much foreign ownership
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    • The United States has every right to protect itself, to secure itself.
    • The system also has to be secured against external threat.
    • Council officers moved in today to secure the property.
    protect, make safe, fortify, strengthen; undergirdassure, ensure, guarantee, protect, confirm, establish
  • 1.3Capture (a person or animal): the suspect is secured and in the back of a patrol car
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    • Once our deputies found him, they secured him.
    • And I returned to another bedroom and he was already secured there by the bed.
    • His hands wrapped around her arms, securing her in a vice grip.
  • 1.4Succeed in obtaining (something), especially with difficulty: the division secured a major contract
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    • But now two motorists have succeeded in securing a refund.
    • He also asked if there were any difficulties in securing the necessary funding from the Dept.
    • Small furniture makers face the greatest difficulty securing supplies.
    obtain, acquire, gain, get, get possession of
    informal get hold of, land
  • 1.5Seek to guarantee repayment of (a loan) by having a right to take possession of an asset in the event of nonpayment: a loan secured on your home
    More example sentences
    • While some clients have received some speculative funding for city centre offices, the bank would require the loan to be secured on another asset.
    • What is more, consolidation loans are usually secured on property while credit cards are unsecured debt.
    • In consequence many bank and finance house loans secured by land mortgages are exempt from the controls of the Act.



More example sentences
  • The letter continues that Westport needs several playgrounds dotted around the town, which need to be sturdy and securable at night to prevent vandalism.
  • It's designed for Night Deposits at petrol stations and convenience stores, but we use it to make sure our software is quickly securable.
  • First, personally, I do happen to think that Linux is more securable than Windows, and I've said so repeatedly in this very column over the years.


More example sentences
  • The key, of course, is to make it easy for us to communicate securely and confidently with all branches of government.
  • Without then checking that the lid is securely and firmly back on the cup, three minutes later I do the same thing again.
  • Place the lamb on the board, add the stuffing, roll up firmly and tie securely with string.


More example sentences
  • What is being aimed at is the securement of good tenders which haven taken on board all the risks.
  • Photographs taken about six weeks prior clearly show that the nuts in question are lower on the securement bolts than in Mr. Bigelow's photographs.
  • Steve Bierman, MD, said catheter securement is a key component in the fight against CRBSI.


mid 16th century (in the sense 'feeling no apprehension'): from Latin securus, from se- 'without' + cura 'care'.

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