Synonyms and related words :
aweless, biggety, bluff, brash, cheeky, chutzpadik, cocky, contemptuous, crusty, derisive, discourteous, disparaging, facy, flip, flippant, forward, fresh, gally, gratuitous, ill-bred, ill-mannered, impertinent, impolite, impudent, inaffable, indecorous, insolent, irreverent, malapert, nervy, pert, ridiculing, rude, sassy, saucy, smart, smart-alecky, smart-ass, unaccommodating, uncalled-for, uncivil, uncomplaisant, uncourteous, uncourtly, ungallant, ungracious, unmannerly, unpolite, wise-ass,