Definition of bomb in English:


Syllabification: bomb
Pronunciation: /bäm


1A container filled with explosive, incendiary material, smoke, gas, or other destructive substance, designed to explode on impact or when detonated by a time mechanism, remote-control device, or lit fuse.
More example sentences
  • The second night attack, which used high explosive and incendiary bombs alternately, caused the first man-made firestorm which affected an area of
  • According to sources, dissident groups are now at work planning to plant bombs or detonate incendiary devices.
  • An exact mix of high explosive and incendiary bombs was used to start the kind of fires that burned Dresden.
explosive, incendiary (device);
missile, projectile
dated blockbuster, bombshell
1.1 [with modifier] An explosive device fitted into a specified object: a package bomb See also car bomb, letter bomb.
More example sentences
  • He made sure of that when he sent her a package bomb that blew off her hands and nearly killed her.
  • The building has been targeted before, and was the scene of a massive van bomb in 1993.
  • Recent attempted van bomb attacks were foiled in Derry and Belfast.
1.2 (the bomb) Nuclear weapons considered collectively as agents of mass destruction: she joined the fight against the bomb
More example sentences
  • Harry Truman, who made the decision to use it, shared with the electorate the opinion that the bomb was a legitimate weapon.
  • Let me say that I have a strong but constructive critique against parts of the traditional left with regard to their attitude to the bomb and nuclear power.
  • The age of the bomb, and of other weapons of mass destruction (chemical and biological) continues.
1.3A small pressurized container that sprays liquid, foam, or gas: the bug bombs we tried did not kill the cockroaches
More example sentences
  • If we were their last hope as they stood over a ginormous liquid nitrogen bomb, wondering whether to cut the blue wire or the red wire, then I fear we have just lost a reader.
  • Furthermore, when the shoot is placed in a pressure bomb and is pressurized to the balance point, the meniscus can be seen to; Return to the cut surface of the open conduits.
  • The root water potential was measured by a PMS Model 600 pressure bomb.
2 (also volcanic bomb) A lump of lava thrown out by a volcano.
More example sentences
  • Everyone else gets going out of the way of the lava bombs and lava flows.
  • Fresh manure, too, dollops of it ramping over the concrete lip of the stall floor like lava bombs flung from a brown volcano.
  • The party ran out of the palace and looked up in the sky and saw a swarm of what looked like lava bees holding lava bombs.
3 informal A movie, play, or other event that fails badly.
More example sentences
  • And while expensive star signings have won lacklustre ratings, the channel's film arm has produced a string of critical and commercial bombs.
failure, megaflop, fiasco, loss-maker, debacle
informal flop, washout, bust, dud, turkey, dog, lemon, no-hoper, nonstarter, dead loss, clunker
3.1An old car, especially a run-down one.
More example sentences
  • It's the story of three backpackers - two British girls and a Sydney bloke - who buy an old bomb to drive from WA to Cairns.
4A long forward pass or hit in a ball game: a big 40-yard bomb down the middle to tight end Howard Cross
More example sentences
  • They nudged further ahead when Steve Prescott converted after Vaikona knocked forward a bomb to an off-side Lee Radford.
  • Passing the bomb between teammates and trying to setup plays is really cool!
  • Defenses learned how Williams could burn them deep, so they gave him a lot of room underneath to protect against the 40-yard bombs.
5 (the (or da) bomb) US informal An outstandingly good person or thing: the site would really be da bomb if its content were updated more frequently
More example sentences
  • But as it turns out, this cute little game is still da bomb.
  • I played using more of the lower register, which is totally DA BOMB on my violin, and I really need to do that more often.
  • He is simply ‘da Bomb’ where ladies are concerned.
6 informal A marijuana cigarette.
7 (a bomb) British informal A large sum of money: it will cost a bomb in call charges
More example sentences
  • LCD televisions are all the rage, but a space-saving panel with a picture to rival your traditional set will cost a bomb.
  • They may be high fashion, and they may well cost a bomb, but they are, fundamentally, half your basic shell suit.
  • The show didn't cost a bomb and was in aid of a local charity for children.


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1 [with object] Attack (a place or vehicle) with a bomb or bombs: London was bombed, night after night (as noun bombing) a series of bombings
More example sentences
  • In advance of the line of attack the Luftwaffe heavily bombed all road and rail junctions, and concentrations of Polish troops.
  • The next occasion Bangkok heard the drone of Allied bombers was 19 December when the dock area was bombed at night.
  • We strafed and bombed the city until 23,000 of them were dead.
bombard, blast, shell, blitz, strafe, pound;
attack, assault;
blow up, destroy, demolish, flatten, devastate
2 [no object] informal (Of a movie, play, or other event) fail miserably: a big-budget movie that bombed at the box office he bombed out at several tournaments
More example sentences
  • His first film bombed because it failed to live up to its name.
  • The hugely expensive film bombed so badly that one of Hollywood's most venerable companies, United Artists, was destroyed.
  • The distributors were not going to be happy, said the theatre manager, although since the film had bombed in Auckland they were probably not expecting too much.
3 [no object, with adverbial of direction] British informal Move very quickly: the bus came bombing along
More example sentences
  • I have heard many a screeching of car breaks as the driver has been bombing along and come around the corner to meet a huge tractor.
  • Kevin Alderton is hoping to set the first-ever blind speed skiing record by bombing down a snowy slope at more than 100 mph.
  • It is the concern of the bank that prices have bombed along despite expectations to the contrary, he said.


late 17th century: from French bombe, from Italian bomba, probably from Latin bombus 'booming, humming', from Greek bombos, of imitative origin.


go down a bomb

British informal Be very well received: those gigs we did went down a bomb
More example sentences
  • Made with black pudding supplied by Kendal butchers Watson & Woollard, the bread went down a bomb.
  • This is the sort of blend of real history mixed with a dash of naughtiness which seems to go down a bomb with the visitors.
  • They'd go down a bomb in Wimbledon, the bakers and their strawberry and cream tarts.

it looks like a bomb's hit it

informal Used to describe a place that is extremely messy or untidy in appearance.
More example sentences
  • The room tidy bit doesn't always happen but then when it gets to looking like a bomb's hit it they are the ones who have to blitz it clean.
  • One villager said: ‘My kitchen looks like a bomb's hit it at the moment.
  • Look at it, it looks like a bomb's hit it, it looks like a wasteland, there's not even a sign of a tree.

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Pronunciation: dəˈmôrəˌlīz
cause (someone) to lose confidence or hope; dispirit