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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Example Sentences
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Recent Examples of aggressor
Its body oil slash shimmering sunscreen is resistant to water, fights off environmental aggressors that might irritate the skin, and, most importantly, benefits from Sol de Janeiro’s sumptuous Cheirosa 87 scent.
—
Stacia Datskovska, Footwear News, 26 Dec. 2025
The Inkey List’s Vitamin B, C, and E Moisturizer helps control excess oil, shields against environmental aggressors such as pollution, and provides deep hydration in one go.
—Jacqueline Kilikita, Refinery29, 24 Dec. 2025
Transnational justice can be hijacked, with aggressors trying to portray themselves as victims.
—Valerie Morkevicius, The Conversation, 15 Dec. 2025
Even when Reibe had three fouls, Bidunga wasn’t the aggressor.
—Shreyas Laddha, Kansas City Star, 3 Dec. 2025
See All Example Sentences for aggressor
Stacia Datskovska, Footwear News, 26 Dec. 2025
The Inkey List’s Vitamin B, C, and E Moisturizer helps control excess oil, shields against environmental aggressors such as pollution, and provides deep hydration in one go.
—Jacqueline Kilikita, Refinery29, 24 Dec. 2025
Transnational justice can be hijacked, with aggressors trying to portray themselves as victims.
—Valerie Morkevicius, The Conversation, 15 Dec. 2025
Even when Reibe had three fouls, Bidunga wasn’t the aggressor.
—Shreyas Laddha, Kansas City Star, 3 Dec. 2025
See All Example Sentences for aggressor
Recent Examples of Synonyms for aggressor
Noun
-
Positively identify invaders and take steps to get rid of them.—
Megan Hughes,
Better Homes & Gardens,
30 Dec. 2025
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Risking his life again, the director embeds with a Ukrainian platoon attempting to retake the minuscule town of Andriivka that had been seized by Russian invaders.—
Matthew Carey,
Deadline,
29 Dec. 2025
Noun
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Millions couldn’t escape the raiders on the continent.—
Laurent Dubois,
The Atlantic,
6 Jan. 2026
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Set two-hundred years after atomic armageddon, residents of Vault-Tec’s network of luxury fallout habitats begin to explore the radioactive territory outside their shelters and discover a nightmarish world of militant factions, irradiated creatures, vicious raiders, and feral monsters.—
Jeff Spry,
Space.com,
16 Dec. 2025
Noun
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Her adrenal gland would begin to work overtime and she’d be lifted up, energized, hunted, and desperate to outwit her attacker and survive.—
Literary Hub,
Literary Hub,
14 Jan. 2026
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Federal agencies are also issuing advisories about the group's social engineering techniques, noting how attackers impersonate help desks, abuse multi-factor authentication and harvest credentials to access corporate networks.—
Kurt Knutsson,
FOXNews.com,
13 Jan. 2026
Cite this Entry
“Aggressor.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/aggressor. Accessed 15 Jan. 2026.
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