- unwonted
- adjuncommon, unusual, uncustomary, unfamiliar, unique, rare, novel; singular, exceptional, out of the ordinary, atypical, individual; unheard-of, unexampled, unprecedented; infrequent, few and far between, seldom seen, seldom met with; extraordinary, noteworthy, remarkable; unconventional, irregular, unorthodox, anomalous; odd, strange, queer, eccentric, abnormal, peculiar, curious, freakish, bizarre, offbeat.
A Note on the Style of the synonym finder. 2014.