dive(noun, verb) noun1. a cheap disreputable nightclub or dance hallDefinition categories: man–made, cabaret, club, nightclub, nightspot2. a headlong plunge into waterSimilar word(s): divingDefinition categories: act, swim, swimming3. a steep nose-down descent by an aircraftSimilar word(s): nosediveDefinition categories: act, descent verb1. drop steeplySimilar word(s): plunge, plunkDefinition categories: motion, descend, fall2. plunge into water- I was afraid to dive from the board into the poolDefinition categories: motion, submerge, submerse3. swim under waterDefinition categories: motion, swim