/ Dictionary / Index U unforgettable: Meaning and Definition of Find definitions for: un•for•get•ta•ble Pronunciation: (un"fur-get'u-bul), [key] — adj. impossible to forget; indelibly impressed on the memory: scenes of unforgettable beauty. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unforgettable (Thesaurus) unfold unforgiving Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language