Unexampled

(a.) Having no example or similar case; being without precedent; unprecedented; unparalleled.

Thesaurus Entries

alone, exceptional, extraordinary, fabulous, indescribable, ineffable, legendary, lone, marvelous, mythical, noteworthy, phenomenal, portentous, prodigious, remarkable, singular, sole, solitary, solo, stupefying, stupendous, unique, unparalleled, unprecedented, unrepeatable, unspeakable, wonderful