[ uhn-fer-get-uh-buh l ]
/ ˌʌn fərˈgɛt ə bəl /


impossible to forget; indelibly impressed on the memory: scenes of unforgettable beauty.


Can You Ace This Quiz About “Compliment” vs. “Complement”?
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“Compliment” and “complement” had a shared meaning a long time ago, but today they are no longer interchangeable.

Origin of unforgettable

1800–10; un-1 + forgettable

OTHER WORDS FROM unforgettable

un·for·get·ta·ble·ness, nounun·for·get·ta·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for unforgettable

British Dictionary definitions for unforgettable

/ (ˌʌnfəˈɡɛtəbəl) /


impossible to forget; highly memorable

Derived forms of unforgettable

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