aggression (n.)

  1. a disposition to behave aggressively

  2. a feeling of hostility that arouses thoughts of attack

    [ Syn: aggressiveness ]

  3. violent action that is hostile and usually unprovoked

    [ Syn: hostility ]

  4. the act of initiating hostilities

  5. deliberately unfriendly behavior

The dictionary is based on the WordNet Electronic Lexical Database.
WordNet 3.0 Copyright 2011 by Princeton University. All rights reserved.