əˈgresə(r), aˈ- also -ˌsȯ(ə)r or -ȯ(ə) noun
( -s )
Etymology: Late Latin, from Latin aggressus + -or
1. : one that commits or practices aggression ; especially : a nation that commits an act of aggression
economic insecurity and poverty … breed conflict and give aggressors their chance — E.R.Stettinius
2.
a. : a military force organized, trained, and deployed to act as the enemy during a field problem or in maneuvers
b. : a member of such a force