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90s Slang You Should Know


[uh-gresh-uh n] /əˈgrɛʃ ən/
the action of a state in violating by force the rights of another state, particularly its territorial rights; an unprovoked offensive, attack, invasion, or the like:
The army is prepared to stop any foreign aggression.
any offensive action, attack, or procedure; an inroad or encroachment:
an aggression upon one's rights.
the practice of making assaults or attacks; offensive action in general.
Psychiatry. overt or suppressed hostility, either innate or resulting from continued frustration and directed outward or against oneself.
Origin of aggression
1605-15; < Latin aggressiōn- (stem of aggressiō), equivalent to aggress(us) (see aggress) + -iōn- -ion
Related forms
antiaggression, adjective
counteraggression, noun
preaggression, noun
Can be confused
aggression, egression.
1. peacefulness. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for aggressions
Contemporary Examples
Historical Examples
  • You tell me the Quakers are charged on your side of the water with being, by their aggressions, the cause of the war.

    Benjamin Franklin Frank Luther Mott
  • Hannibal, it is true, had commenced his aggressions at Saguntum, in Spain.

    Hannibal Jacob Abbott
  • Now it seems you have suddenly become afraid of her aggressions, and are alarmed lest she should swallow up all modern society.

  • He maintained order, and put a term to the aggressions of the Indians.

    The Nation in a Nutshell George Makepeace Towle
  • Still the encroachments and aggressions of Massachusetts and Connecticut continued.

    A short history of Rhode Island George Washington Greene
  • But they were not far distant, and soon were presented by the British aggressions.

    John Quincy Adams John. T. Morse
  • Britain, twice humbled for her aggressions, has at length been taught to respect us.

  • War can come only by the willful acts and aggressions of others.

  • The Administration had found it necessary to order the troops on the frontier to be in readiness to repel future aggressions.

    Union and Democracy Allen Johnson
British Dictionary definitions for aggressions


an attack or harmful action, esp an unprovoked attack by one country against another
any offensive activity, practice, etc: an aggression against personal liberty
(psychol) a hostile or destructive mental attitude or behaviour
Derived Forms
aggressor (əˈɡrɛsə) noun
Word Origin
C17: from Latin aggression-, from aggrēdi to attack
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for aggressions



1610s, "unprovoked attack," from French aggression (16c.), from Latin aggressionem (nominative aggressio) "a going to, an attack," noun of action from past participle stem of aggredi "to approach; attack," from ad- "to" (see ad-) + gradi (past participle gressus) "to step," from gradus "a step" (see grade). Psychological sense of "hostile or destructive behavior" first recorded 1912 in A.A. Brill's translation of Freud.

Online Etymology Dictionary, © 2010 Douglas Harper
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aggressions in Medicine

aggression ag·gres·sion (ə-grěsh'ən)
Hostile or destructive behavior or actions.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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aggressions in Science
Behavior that is meant to intimidate or injure an animal of the same species or of a competing species but is not predatory. Aggression may be displayed during mating rituals or to defend territory, as by the erection of fins by fish and feathers by birds.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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