never to be forgotten's Usage Examples:

Sarasota into a fairyland of costly decoration, rich furnishings and never to be forgotten artistry.

a garden party or for dinner at their banquet table was a treat never to be forgotten.

Sherlock—this is the real thing: raw, crude, brutally honest and never to be forgotten.

side in the Junior E Final in O'Toole Park on 10/10/10, a date never to be forgotten in the club's history.

caused the greatest of those to reverentially refer to him as "the never to be forgotten Hutcheson", a title that Smith in all his correspondence used to.

Synonyms:

disregarded; unnoticed;

Antonyms:

noticed; detected;