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English definition of “bomb”

bomb

noun [C]  /bɑm/ us  

bomb noun [C] (WEAPON)

a weapon that explodes: Was there any warning before the bomb went off?

bomb noun [C] (FAIL)

infml a complete failure: The last play was a bomb.

bomb

verb  /bɑm/ us  

bomb verb (WEAPON)

[T] to explode bombs, or to drop bombs from aircraft: They bombed enemy airfields.

bomb verb (FAIL)

[I] infml to fail completely: A lot of students bombed on that last exam.
(Definition of bomb from the Cambridge Academic Content Dictionary © Cambridge University Press)
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