[ag.gres.sive] adj (1824) 1 a: tending toward or exhibiting aggression "~ behavior" b: marked by combative readiness "an ~ fighter"
2. a: marked by obtrusive energy b: marked by driving forceful energy or initiative: enterprising "an ~ salesman"
3: strong or emphatic in effect or intent "~ colors" "~ flavors"
4: more severe, intensive, or comprehensive than usual esp. in dosage or extent "~ chemotherapy" -- ag.gres.sive.ly adv -- ag.gres.sive.ness n -- ag.gres.siv.i.ty n syn aggressive, militant, assertive, self-assertive mean obtrusively energetic esp. 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 "was taught to be 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 held a rally against racism". 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 executive climbing the corporate ladder".