assertive -
aggressively self-assured; "an energetic assertive boy who was always ready to argue"; "pointing directly at a listener is an assertive act"
unassertive inclined to timidity or lack of self-confidence; "a shy unassertive person"
aggressive 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"
imperative requiring attention or action; "as nuclear weapons proliferate, preventing war becomes imperative"; "requests that grew more and more imperative"
cocky overly self-confident or self-assertive; "a very cocky young man"
