aggression Hear it!

aggression definition

ag·gres·sion (ə gres̸h′ən)

noun

  1. an unprovoked attack or warlike act; specif., the use of armed force by a state in violation of its international obligations
  2. the practice or habit of being aggressive or quarrelsome
  3. Psychiatry forceful, attacking behavior, either constructively self-assertive and self-protective or destructively hostile to others or to oneself

Etymology: Fr < L aggressio: see aggress

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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