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.
Valencia also stated that the aggressor or aggressors will be banned from the team’s stadium if they are identified as members of the club. Sam Joseph, The Athletic, 17 Feb. 2025 That is why there must be unified pressure from all who value life—pressure on the aggressor. Josh Hammer, Newsweek, 15 Feb. 2025 Different aggressors can damage a person's skin barrier, including harsh chemicals and soaps and strong exfoliates, according to the Cleveland Clinic. Greta Cross, USA TODAY, 13 Feb. 2025 Despite trading away Kyle Kuzma and Jonas Valanciunas earlier in the day, the ailing Washington Wizards were the clear aggressors from the opening tap and systematically dismantled Brooklyn 119-102 The Wizards opened the game on a 10-2 run and built a 21-9 lead with 5:47 left in the first quarter. C.j. Holmes, New York Daily News, 6 Feb. 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

Dictionary Entries Near aggressor

Cite this Entry

“Aggressor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aggressor. Accessed 21 Feb. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!