Synonyms of aggressor

aggressor

noun

ə-ˈgre-sər 

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

Synonyms & Similar Words

• invader
• raider
• attacker
• assailant
• militant
• instigator
• initiator
• plunderer
• combatant
• ambusher
• belligerent
• hawk
• pillager
• warmonger
• militarist
• jingoist
• war hawk
• ambuscader
• forayer
• cobelligerent
• jingo

Antonyms & Near Antonyms

• defender
• pacifist
• peacemaker
• dove
• nonbelligerent

Example Sentences

Recent Examples of aggressor

This helps nourish and protect hair from external aggressors like UV damage and pollution, which can cause weakness and buildup. — Ariana Yaptangco, Glamour, 5 July 2026

The person raising an issue is framed as the aggressor, while the other partner consistently avoids accountability. — Mark Travers, CNBC, 5 July 2026

The goal came in the 14th minute and Colombia remained the aggressor until the end. — Blair Kerkhoff, Kansas City Star, 4 July 2026

The formula includes peptides and ceramides to protect against external aggressors and restore the skin barrier. — Reece Andavolgyi, InStyle, 4 July 2026