Medical Dictionary

aggression

noun ag·gres·sion \ə-ˈgresh-ən\

Medical Definition of AGGRESSION

:  hostile, injurious, or destructive behavior or outlook especially when caused by frustration

Browse

May 24, 2015
erudite Hear it
learned or pedantic
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears