1791, from Latin aggress-, past participle stem of aggredi "to approach, attack" (see aggression) + -ive. In psychological use from 1913, first in translations of Freud. Related: Aggressively; aggressiveness.
1. He is respected as a very aggressive and competitive executive.
2. Her aggressive moods alternated with gentle or more co-operative states.
3. It could be argued that the British are not aggressive enough.
4. We decided that in the game we would be physical and aggressive.
5. On the Stock Exchange, aggressive buying propped the market up.