aggressive

aggressive, militant, assertive, self-assertive mean obtrusively energetic especially in pursuing particular goals. aggressive implies a disposition to dominate often in disregard of others' rights or in determined and energetic pursuit of one's ends <aggressive in his business dealings>. militant also implies a fighting disposition but suggests not self-seeking but devotion to a cause, movement, or principle <militant protesters rallied against the new law>. assertive suggests bold self-confidence in expression of opinion <the more assertive speakers dominated the forum>. self-assertive connotes forwardness or brash self-confidence <a self-assertive young upstart>.