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Definition of aggressor
aggressor
/əˈɡrɛs.ər/
ag · gres · sor
Adverb:aggressively
•Plural:aggressors
•Adjective:aggressive
aggressor Lexical Profile
CEFR
C1
Grade
8
Tier
2
Usage
Top 10k
Syllables
3
aggressor Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
A person, group, or nation that initiates a conflict, quarrel, or unprovoked attack against another.
Example
"International mediators worked to determine which party had acted as the primary aggressor in the border dispute."
Synonyms
View all synonyms for aggressor Antonyms
View all antonyms for aggressor• Rhymes for aggressor
• Nearby Words
Word Origin & Etymology
Borrowed in the late 17th century from French 'agresseur', from Latin 'aggressor' (attacker), a noun of agency from the verb 'aggredi' (to approach or attack), combining 'ad-' (toward) and 'gradi' (to step or walk).
Cite this Entry
Wordmom. (2026). Definition of Aggressor. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/aggressor