Synonyms of unconventional in English:

unconventional


See definition of unconventional

adjective

1‘contemporary art employs unconventional techniques and materials’

SYNONYMS
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, queer, curious, abnormal, anomalous, aberrant, extraordinary, offbeat, off-centre, radical, esoteric, nonconformist, bohemian
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