adj. 25B6; adjective
aggressive and disruptive behaviour : VIOLENT, confrontational, antagonistic, truculent, pugnacious, macho; quarrelsome, argumentative.
aggressive foreign policy : WARMONGERING, warlike, warring, belligerent, bellicose, hawkish, militaristic; offensive, expansionist; informal gung-ho.
an aggressive promotional drive : ASSERTIVE, pushy, forceful, vigorous, energetic, dynamic; bold, audacious; informal in-your-face, feisty.
peaceable, peaceful.