bombing

(noun) an attack by dropping bombs. Synonyms: bombardment.

(noun) the use of bombs for sabotage; a tactic frequently used by terrorists.

(verb) throw bombs at or attack with bombs. Synonyms: bombard, bomb. Example: "The americans bombed dresden."

(verb) fail to get a passing grade. Synonyms: fail, flunk, bomb, flush it. Examples: "She studied hard but failed nevertheless." "Did i fail the test?."