having or showing determination and energetic pursuit of your ends; "an aggressive businessman"; "an aggressive basketball player"; "he was aggressive and imperious; positive in his convictions"; "aggressive drivers"
characteristic of an enemy or one eager to fight; "aggressive acts against another country"; "a belligerent tone"
in a manful manner; with qualities thought to befit a man; "having said her say Peggy manfully shouldered her burden and prepared to break up yet another home"
something that causes or entails suffering; "I cannot think it a hardship that more indulgence is allowed to men than to women"- James Boswell; "the many hardships of frontier life"