unconventional
adjective
contemporary art employs unconventional techniques and materials:
unusual, irregular, unorthodox, unfamiliar, uncommon, uncustomary, unwonted, rare, out of the ordinary, atypical, singular, distinctive, individual, individualistic, free-spirited, alternative, different;
new, fresh, novel, newfangled, innovative, groundbreaking, experimental, pioneering, original, unprecedented, unheard of;
eccentric, idiosyncratic, maverick, quirky, odd, strange, bizarre, weird, outlandish, freakish, funny, quaint, curious, abnormal, anomalous, aberrant, extraordinary, offbeat, off-center, radical, esoteric, nonconformist, bohemian;
French outré, avant-garde;
North American left-field;
informal freaky, way out, far out, oddball, wacky, cranky, kinky, screwy, off the wall, something else, madcap, zany, hippy;
British, informal rum;
North American, informal kooky, wacko, bizarro, backasswards.
▷antonyms conventional, orthodox, ordinary.