ag·gres·sion /əˈɡreʃən/ n. 1. 侵犯；侵略；挑衅 armed aggression 武装侵略 It was difficult to decide which country was guilty of aggression. 很难断定哪个国家犯了侵略罪。 2. 侵犯行为；侵略行为 an aggression upon sb.'s rights 对某人权利的侵犯 an aggression against personal liberty 侵犯人身自由的行为 3. 【心】敌对行为(指因自卑或受挫而产生的带敌意的行为或态度) work out one's aggressions 发泄自己内心的敌对情绪