noun
A person, group, or country that starts an attack.
The report identified the aggressor in the border conflict.
Common phrases & grammar
aggressor nation · identify the aggressor
American English
How to pronounce aggressor
nounB2
uhGREHser
/əˈgɹɛ.sɚ/
3 syllables · Stress the second syllable.
A person, group, or country that starts an attack.
What to listen for
The main stress in “aggressor” is on the second syllable: /əˈgɹɛ.sɚ/.