aggressor

noun

ag·​gres·​sor ə-ˈgre-sər How to pronounce aggressor (audio)
: one that commits or practices aggression

Examples of aggressor in a Sentence

Each country accused the other of being the aggressor. a group of smaller states had formed an alliance to deter potential aggressors
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Again in the second, Minnesota was the early aggressor, with Denisa Krizova’s solo rush to the net ending with a backhand shot sliding just wide of the far post, and Kendall Coyne Schofield getting tripped up on a 2-on-1 rush to the net, drawing the Frost’s second power play. Jess Myers, Twin Cities, 21 May 2025 In abusive relationships, one partner tends to hold more power or be the primary aggressor. Alyssa Goldberg, USA Today, 17 May 2025 Trump's recent criticism of Putin stands out, particularly given his past claims that Russia, despite being the aggressor, has shown greater willingness than Ukraine to pursue a peace deal. Thomas G. Moukawsher, MSNBC Newsweek, 24 Apr. 2025 Needless to say, Greenlanders are in no position to defend themselves against Russia, China, or any other such aggressor. Jay Nordlinger, National Review, 21 Apr. 2025 See All Example Sentences for aggressor

Word History

Etymology

borrowed from Latin, "attacker, assailant," from aggredī, adgredī "to approach, attack" + -tor, agent suffix — more at aggress

First Known Use

1585, in the meaning defined above

Time Traveler
The first known use of aggressor was in 1585

Browse Nearby Words

Cite this Entry

“Aggressor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aggressor. Accessed 1 Jun. 2025.

Kids Definition

aggressor

noun
ag·​gres·​sor ə-ˈgres-ər How to pronounce aggressor (audio)
: a person or country that attacks without reasonable cause

Medical Definition

aggressor

noun
ag·​gres·​sor ə-ˈgres-ər How to pronounce aggressor (audio)
: one who exhibits aggression

More from Merriam-Webster on aggressor

Last Updated: - Updated example sentences
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