unprecedented Synonyms

unsuspected unknown unique unheard-of unexampled unequaled uncommon unaccustomed strange singular unparalleled unrivaled unusual second to none unsurpassed unfamiliar one-of-a-kind unconventional unrivalled groundbreaking unequalled unmatched revolutionary remarkable record new matchless innovative inimitable incomparable fantastic extraordinary exceptional best newfangled notable noteworthy rare preternatural pioneering phenomenal peerless peculiar outstanding original novel abnormal