Try Our Apps


The Best Internet Slang


[uhn-fer-get-uh-buh l] /ˌʌn fərˈgɛt ə bəl/
impossible to forget; indelibly impressed on the memory:
scenes of unforgettable beauty.
Origin of unforgettable
1800-10; un-1 + forgettable
Related forms
unforgettableness, noun
unforgettably, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for unforgettably
Contemporary Examples
Historical Examples
  • The end justified the means so unforgettably, so gloriously.

    The Secret Service Submarine Cyril Arthur Edward Ranger Gull
  • The whole scene was unforgettably cinematographed on to his mind.

    Three John Silence Stories Algernon Blackwood
  • Then the ghost of that unforgettably strange odor passed away and was lost among the leagues of tenantless forest beyond.

    The Wendigo Algernon Blackwood
  • Without difficulty they renew them, and stamp them unforgettably with their own peculiar mark.

  • In philosophy the talk turned mainly on Spinoza, of whom Goethe spoke "unforgettably."

    The Youth of Goethe Peter Hume Brown
  • He had obtained these names in writing from the Professor, and had learned them, unforgettably, by heart.

    The Mark of Cain Carolyn Wells
  • One day she said to me, unforgettably, 'You are making pain and sickness very beautiful.'

  • It was the happiest time I ever had, and shines out by itself in that already so unforgettably delightful vacation.

    The Martian George Du Maurier
  • She had a poor memory but some things she visualized unconsciously but unforgettably, and this had been one.

    The Shadow

    Mary White Ovington
British Dictionary definitions for unforgettably


impossible to forget; highly memorable
Derived Forms
unforgettably, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for unforgettably



1806, from un- (1) "not" + forgetable (see forget). Related: Unforgettably.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for unforgettable

Few English speakers likely know this word

Word Value for unforgettably

Scrabble Words With Friends

Nearby words for unforgettably