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aggressor

American  
[uh-gres-er] / əˈgrɛs ər /

noun

  1. a person, group, or nation that attacks first or initiates hostilities; an assailant or invader.


Etymology

Origin of aggressor

1670–80; < Late Latin, Latin aggred- (stem of aggredÄŦ to attack; see aggress) + -tor -tor


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

"The burden of escalation would rest squarely upon the aggressor; they and they alone would bear the full moral, political, and strategic weight of deciding whether to do so," he said.

From Barron's ● Oct. 12, 2026

This time, Skubal was the aggressor, getting to a 0-2 count with a slider and sinker inside.

From Los Angeles Times ● Oct. 3, 2026

After coming in at 138-3, Flintoff was the aggressor in a brutal partnership of 214 with Keaton Jennings and reached his century from just 65 deliveries.

From BBC ● Aug. 11, 2026

Witnesses suggested that Tom had acted in self-defense against his aggressor after the two came to blows one day.

From The Wall Street Journal ● Jul. 10, 2026

Military leaders warned that it was essential to be strong and prepared, as a warning to any aggressor.

From "The War to End All Wars: World War I" by Russell Freedman

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