Unconventional

Antonyms of UNCONVENTIONAL

decorous, unimaginative, restrained, bigoted, routine, old fashioned, usual, customary, straight, hidebound, traditional, ordinary, inhibited, normal, hard, dogmatic, rigid, buttoned-down, stodgy, proper, standard, ceremonious, ceremonial, stereotypic, intolerant, common, constrained, unreconstructed, stereotyped, conservative, strict, conventional, conforming, stuffy, formal, square, regular, correct, uptight, reactionary, stereotypical, stiff, button-down, nonprogressive, doctrinal, narrow-minded, formulaic, conformist, received.