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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Recent Examples of aggressor
And both the authoritarian aggressor and the democratic defender have proved willing to absorb grievous casualties in a war now grinding through its third year.
—
Nicholas Eberstadt, Foreign Affairs, 10 Oct. 2024
Billy did just that, but fighting back unlocked the teen's immense magical powers and nearly killed his aggressor.
—Nick Romano, EW.com, 10 Oct. 2024
The model uses the Clarins Double Serum, a powerful 2-in-1 formula with turmeric that enhances the skin’s texture and reduces signs of aging, such as wrinkles, caused by environmental and lifestyle aggressors.
—Michelle Lee, People.com, 21 Oct. 2024
The 911 caller said a white man in his 20s had been the aggressor and was still in the store, according to the police incident report.
—Janelle Griffith, NBC News, 15 Oct. 2024
See all Example Sentences for aggressor 
Nicholas Eberstadt, Foreign Affairs, 10 Oct. 2024
Billy did just that, but fighting back unlocked the teen's immense magical powers and nearly killed his aggressor.
—Nick Romano, EW.com, 10 Oct. 2024
The model uses the Clarins Double Serum, a powerful 2-in-1 formula with turmeric that enhances the skin’s texture and reduces signs of aging, such as wrinkles, caused by environmental and lifestyle aggressors.
—Michelle Lee, People.com, 21 Oct. 2024
The 911 caller said a white man in his 20s had been the aggressor and was still in the store, according to the police incident report.
—Janelle Griffith, NBC News, 15 Oct. 2024
See all Example Sentences for aggressor
Thesaurus Entries Near aggressor
Cite this Entry
“Aggressor.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/aggressor. Accessed 28 Nov. 2024.
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