aggression

noun
ag·gres·sion | \ ə-ˈgre-shən \

Definition of aggression 

1 : a forceful action or procedure (such as an unprovoked attack) especially when intended to dominate or master

2 : the practice of making attacks or encroachments especially : unprovoked violation by one country of the territorial integrity of another warned that any act of aggression could start a war

3 : hostile, injurious, or destructive behavior or outlook especially when caused by frustration Aggression is often the expression of pent-up rage.

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Examples of aggression in a Sentence

He has a lot of pent-up aggression. behavior that is likely to provoke aggression dangerous dogs showing aggression toward people The government says that it will view any attempt to fly over its territory as an act of aggression.
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Recent Examples on the Web

Shortly after Trump's inauguration, Haley delivered a speech at the United Nations that recommitted the White House to the Obama administration's policy on sanctions related to Russian aggression in Ukraine. The Washington Post, NOLA.com, "Trump put the brakes on new Russian sanctions, reversing Haley's announcement," 17 Apr. 2018 Shortly after Trump's inauguration, Haley delivered a speech at the United Nations that recommitted the White House to the Obama administration's policy on sanctions related to Russian aggression in Ukraine. Anchorage Daily News, "Trump puts brakes on new Russian sanctions, reversing Haley’s announcement," 16 Apr. 2018 Under pressure from Washington — and reacting to Russian aggression — NATO members agreed in 2014 to each increase defense spending to 2% of GDP by 2014. Time, "Trump Is Trying to Dismantle the World Order. Is NATO Next on His List?," 22 June 2018 The children’s symptoms often differed, from nightmares to aggression to self-harm, but the pain evident on the children’s faces, and in their questions to me, was the same each time. Dylan Gee, Vox, "I study kids who were separated from their parents. The trauma could change their brains forever.," 20 June 2018 This was a clear warning to Iran that Israel will respond to any aggression. Fox News, "Lt. Col. Michael Waltz on tensions between Iran, Israel," 11 May 2018 The security came from one thing: joining NATO, an alliance of nations forged after the fires of World War II and expanded during the Cold War as a buffer against Soviet aggression. Marc Santora, New York Times, "Trump Derides NATO as ‘Obsolete.’ Baltic Nations See It Much Differently.," 10 July 2018 President Trump’s new tariffs will provide a critical shield against this aggression. Peter Navarro, WSJ, "Trump’s Tariffs Are a Defense Against China’s Aggression," 20 June 2018 Flashy frocks will not make Georgia rich, let alone defend it against Russian aggression. The Economist, "Georgia is the new Black (Sea fashion hub)," 3 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'aggression.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of aggression

1611, in the meaning defined at sense 1

History and Etymology for aggression

borrowed from French & Latin; French agression, going back to Middle French, "attack," borrowed from Latin aggressiōn-, aggressiō, from aggredī "to approach, attack" + -tiōn-, -tiō, suffix of action nouns — more at aggress

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Statistics for aggression

Last Updated

18 Sep 2018

Look-up Popularity

Time Traveler for aggression

The first known use of aggression was in 1611

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More Definitions for aggression

aggression

noun

English Language Learners Definition of aggression

: angry or violent behavior or feelings

: hostile action against another country, government, etc.

aggression

noun
ag·gres·sion | \ ə-ˈgre-shən \

Kids Definition of aggression

1 : angry or violent behavior or feelings Young children must learn to use words rather than physical aggression.

2 : hostile action made without reasonable cause military aggression

aggression

noun
ag·gres·sion | \ ə-ˈgresh-ən \

Medical Definition of aggression 

: hostile, injurious, or destructive behavior or outlook

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