Meaning of the word aggressor in English

What does aggressor mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

aggressor

US /əˈɡres.ɚ/
UK /əˈɡres.ər/
"aggressor" picture

Noun

a person or country that attacks another first

Example:
In the conflict, it was clear who the aggressor was.
The country was condemned as the aggressor by the international community.