sui generis Synonyms

unsurpassable unrivaled unpeered unparalleled unparagoned unique unheard-of unexampled unequaled uncommon supreme unusual unmatched unequalled unordinary unexcelled once-in-a-lifetime like no other per se beyond compare one-of-a-kind one-off far-out offbeat superlative strange specific only matchless lone inimitable individual incomparable extraordinary exclusive exceptional distinctive out-of-the-way particular peculiar special solitary sole singular single separate rare personal perfect peerless