unprecedented | Definition of unprecedented

Synonyms and Antonyms of unprecedented

not known or experienced before

this is an unprecedented request for the reference desk

Synonyms of unprecedented

fresh, new, novel, original, strange, unaccustomed, unfamiliar, unheard-of, unknown

Words Related to unprecedented

innovative, unique

nontraditional, unconventional, untried, unused, unworn

pathbreaking, pioneering, trailblazing

Near Antonyms of unprecedented

conventional, established, traditional, tried, tried-and-true

derivative, imitative

Antonyms of unprecedented

familiar, hackneyed, old, time-honored, tired, warmed-over