as in invader
one that starts armed conflict against another especially without reasonable cause
a group of smaller states had formed an alliance to deter potential aggressors
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of aggressor
Footage of the shooting has divided viewers, with finger-pointing over who was the aggressor and who was the victim.
—
Charlotte Observer, 9 Jan. 2026
How tragic that today the United States' civilian leadership has again used the armed forces as an aggressor.
—Arkansas Online, 8 Jan. 2026
Lazzaro argued in court the mall victim was the aggressor and had taunted Hernandez over his history as a government informant, saying his reputation as a snitch would put him in grave danger back in prison.
—Colin Mixson, New York Daily News, 7 Jan. 2026
The Magic are one of the league’s most physical teams, but on Tuesday night, the Wizards were the aggressors from the jump.
—Josh Robbins, New York Times, 7 Jan. 2026
See All Example Sentences for aggressor
Charlotte Observer, 9 Jan. 2026
How tragic that today the United States' civilian leadership has again used the armed forces as an aggressor.
—Arkansas Online, 8 Jan. 2026
Lazzaro argued in court the mall victim was the aggressor and had taunted Hernandez over his history as a government informant, saying his reputation as a snitch would put him in grave danger back in prison.
—Colin Mixson, New York Daily News, 7 Jan. 2026
The Magic are one of the league’s most physical teams, but on Tuesday night, the Wizards were the aggressors from the jump.
—Josh Robbins, New York Times, 7 Jan. 2026
See All Example Sentences for aggressor
Recent Examples of Synonyms for aggressor
Noun
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An antibody is essentially a microscopic security tag produced by the immune system that can stick to invaders.—
Kwesi Akonu Adom Mensah Forson,
The Conversation,
26 Jan. 2026
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The series is set at Ted Stevens International Airport in Anchorage, Alaska, one of the world’s busiest cargo airports, where staff have to navigate wild weather emergency landings, and animal invaders to do their job.—
Peter White,
Deadline,
21 Jan. 2026
Noun
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February has a larger update, Shrouded Sky, which introduces a new map condition, ARC threat, player project, raider deck, expedition window and a map update.—
Paul Tassi,
Forbes.com,
24 Jan. 2026
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Nor did their eyes shed tears over the burning library that raiders furnished with the ashes of seven thousand books, which the novelist Mamdouh Azzam had collected over fifty years inside his house in Suwayda.—
Literary Hub,
Literary Hub,
15 Jan. 2026
Noun
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But security analysts quickly warned that WebKit vulnerabilities are especially dangerous, and will leak out to less sophisticated attackers.—
Zak Doffman,
Forbes.com,
27 Jan. 2026
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When access tokens live too long, attackers do not need to break in again.—
Kurt Knutsson,
FOXNews.com,
27 Jan. 2026
Cite this Entry
“Aggressor.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/aggressor. Accessed 29 Jan. 2026.
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