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"

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?"