adj. 1 antagonistic, hostile, contentious, quarrelsome, attacking, aggressive, threatening, provocative, combative, martial, belligerent, warlike, bellicose The minute the enemy made an offensive move, we attacked 2 insulting, rude, disrespectful, uncivil, insolent, discourteous, impolite, unmannerly, impertinent, impudent, objectionable, displeasing Nigel has been asked to leave because of his offensive behaviour 3 disgusting, unsavoury, unpalatable, nauseating, nauseous, noisome, noxious, obnoxious, repugnant, repulsive, repellent, revolting, abominable, foul, loathsome, vile, sickening, fetid or foetid, rank, malodorous, mephitic, putrid, putrescent, putrefying, rancid, rotten An offensive stench emanated from the stagnant pond
n. 4 attack, offence At last, our team was on the offensive 5 attack, onslaught, drive, assault, offence, push The offensive to capture the arsenal will be launched at dawn tomorrow