Worth remembering; notable
Firmly established, as by long conditioning; deep-seated:
The definition of exceptional is someone or something that is high above average or someone who needs special educational help because of mental or physical challenges.
Unable to be forgotten; memorable:
Capable of being impressed.
Going far beyond the ordinary degree, measure, limit, etc.; very unusual; exceptional; remarkable
Lasting; permanent; durable
Find another word for unforgettable. In this page you can discover 19 synonyms, antonyms, idiomatic expressions, and related words for unforgettable, like: memorable, , exhilarate, enchanting, ingrained, awe-inspiring, forgettable, amazing, incomparable, captivating and notable.