Noun

• S: (n) bomb (an explosive device fused to explode under specific conditions)
• S: (n) bomb calorimeter, bomb (strong sealed vessel for measuring heat of combustion)
• S: (n) turkey, bomb, dud (an event that fails badly or is totally ineffectual) "the first experiment was a real turkey"; "the meeting was a dud as far as new business was concerned"
• direct hypernym / inherited hypernym / sister term
• S: (n) flop, bust, fizzle (a complete failure) "the play was a dismal flop"
• direct hyponym / full hyponym
• direct hypernym / inherited hypernym / sister term
• S: (n) failure (an event that does not accomplish its intended purpose) "the surprise party was a complete failure"
• S: (n) downfall, ruin, ruination (failure that results in a loss of position or reputation)
• S: (n) flame-out (a complete or conspicuous failure) "the spectacular flame-out of the company's stock cost many people their life savings"
• S: (n) malfunction (a failure to function normally)
• S: (n) miscarriage, abortion (failure of a plan)
• S: (n) miss, misfire (a failure to hit (or meet or find etc))
• S: (n) flop, bust, fizzle (a complete failure) "the play was a dismal flop"
• S: (n) malformation, miscreation (something abnormal or anomalous)
• S: (n) breakdown, equipment failure (a cessation of normal operation) "there was a power breakdown"
• S: (n) defeat, licking (an unsuccessful ending to a struggle or contest) "it was a narrow defeat"; "the army's only defeat"; "they suffered a convincing licking"
• derivationally related form
• derivationally related form

Verb

• S: (v) bombard, bomb (throw bombs at or attack with bombs) "The Americans bombed Dresden"
• S: (v) fail, flunk, bomb, flush it (fail to get a passing grade) "She studied hard but failed nevertheless"; "Did I fail the test?"