Aggression
WordNet
noun
(1) Violent action that is hostile and usually unprovoked
(2) Deliberately unfriendly behavior
(3) The act of initiating hostilities
(4) A disposition to behave aggressively
(5) A feeling of hostility that arouses thoughts of attack
WiktionaryText
Etymology
From aggressio < aggressus, past participle of .
Noun
- The act of initiating hostilities or invasion.
- The practice or habit of launching attacks.
- Hostile or destructive behavior or actions.