ag ‧ gres ‧ sor /əˈɡresə $ -ər/ BrE AmE noun [countable]
a person or country that begins a fight or war with another person or country:
measures taken to deter potential aggressors
ag ‧ gres ‧ sor /əˈɡresə $ -ər/ BrE AmE noun [countable]
a person or country that begins a fight or war with another person or country:
measures taken to deter potential aggressors
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012