- unconventional
- adjuncommon, unusual, unorthodox, uncustomary, unwonted, rare, unique, out-of-the-ordinary; original, atypical, singular, individual; unexampled, unparalleled, unfamiliar, uncomfortable; eccentric, peculiar, offbeat, curious, queer, odd, oddish, quizzical, cranky, uncouth, Inf. funny, Inf. kinky; idiosyncratic, Inf. quirky, Sl. flaky, Sl. balmy, Chiefly Brit. barmy; strange, weird, bizarre, freakish, Sl. freaky, grotesque, Sl. rum, Sl. far-out; deviant, aberrant, wayward, erratic, anomalous, abnormal, irregular.
A Note on the Style of the synonym finder. 2014.