ag·​gres·​sor | \ ə-ˈgre-sər How to pronounce aggressor (audio) \

Definition of aggressor

: one that commits or practices aggression

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Synonyms for aggressor


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Examples of aggressor in a Sentence

Each country accused the other of being the aggressor. these pocket-size states had formed an alliance to deter potential aggressors
Recent Examples on the Web BlackRock has been an aggressor, undercutting other companies and crushing smaller rivals. Dawn Lim, WSJ, "BlackRock’s Third-Quarter Profit Climbed on Steady Inflows, Higher Fee Revenue," 13 Oct. 2020 Wilson had clashed with French Prime Minister Georges Clemenceau over the terms of the treaty: Clemenceau wanted Germany to pay for its role as aggressor in the war, while Wilson sought to create a more peaceful world order and de-escalate tensions. Amy Mckeever And David Beard, National Geographic, "How past U.S. presidents have battled illness in office," 2 Oct. 2020 But Matthews, who represents the Kenosha Professional Police Association, said Blake was the aggressor in the encounter, based on the statements Sheskey and Officer Vincent Arenas gave to state investigators earlier this month. Scott Glover, CNN, "Lawyer says cop shot Jacob Blake after hearing a mother's desperate plea: 'He's got my kid. He's got my keys'," 25 Sep. 2020 The man who attacked the aggressor then leveled a blow to his head. Emma Colton, Washington Examiner, "Bus passenger in UK racially profiles teenage girl then kicks her in head for not using face mask," 6 Oct. 2020 The police report described him as a violent aggressor participating in a riot. Uriel J. Garcia, The Arizona Republic, "Phoenix chief says she's making changes to police culture, responds to criticism," 11 Sep. 2020 Turkey is not the aggressor here, but the one constantly struggling against those who aim to disregard and undermine her natural rights. WSJ, "Turkey Is Not the Aggressor in Dispute With Greece," 25 Sep. 2020 The deputy seen on video pepper-spraying a teenager in a Tamarac parking lot told a Broward judge Wednesday that the teenager, Delucca Rolle, was the aggressor in the confrontation. Sgt. Rafael Olmeda,, "Deputy says he was being ‘assaulted’ by teen Delucca Rolle in beating arrest," 24 Sep. 2020 But the Thorns got to a hot start as the aggressor and finished out-shooting the Royals 21-15 and dominating possession, 62% to 38%. oregonlive, "No. 1 NWSL draft pick Sophia Smith scores in Portland Thorns debut, wallops Utah Royals in Fall Series opener," 20 Sep. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'aggressor.' 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 aggressor

1585, in the meaning defined above

History and Etymology for aggressor

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

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Time Traveler for aggressor

Time Traveler

The first known use of aggressor was in 1585

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Statistics for aggressor

Last Updated

23 Oct 2020

Cite this Entry

“Aggressor.” Dictionary, Merriam-Webster, Accessed 23 Oct. 2020.

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More Definitions for aggressor


How to pronounce aggressor (audio)

English Language Learners Definition of aggressor

: a person or country that attacks another : a person or country that starts a fight or war


ag·​gres·​sor | \ ə-ˈgre-sər How to pronounce aggressor (audio) \

Kids Definition of aggressor

: a person or a country that engages in hostile action without reasonable cause


ag·​gres·​sor | \ ə-ˈgres-ər How to pronounce aggressor (audio) \

Medical Definition of aggressor

: one who exhibits aggression

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