Similar word to unusual:

abnormal, amazing, astonishing, atypical, awe-inspiring, awesome, bizarre, conspicuous, curious, distinguished, eminent, exceptional, extraordinary, far-out, inconceivable, incredible, memorable, noteworthy, odd, out of the ordinary, outstanding, phenomenal, prodigious, prominent, queer, rare, refreshing, remarkable, significant, singular, something else, special, strange, surprising, uncommon, unconventional, unexpected, unfamiliar, unique, unparalleled, unwonted, weird