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Synonyms

unforgettable

American  
[uhn-fer-get-uh-buhl] / ˌʌn fərˈgɛt ə bəl /

adjective

  1. impossible to forget; indelibly impressed on the memory.

    scenes of unforgettable beauty.


unforgettable British  
/ ˌʌnfəˈɡɛtəbəl /

adjective

  1. impossible to forget; highly memorable

"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

Other Word Forms

Etymology

Origin of unforgettable

1800–10; un- 1 + forgettable ( def. )

Explanation

Use the adjective unforgettable to describe things that are so meaningful or important that you could never forget them, like the taste of your grandma's apple pie or your first kiss. Things that linger forever in your memory are unforgettable. You might describe a devastating house fire this way, or your first trip to Paris. While the meaning of unforgettable is easy to decipher once you spot the root word forget, it's a lot harder to spell. Remember the double t and the able ending, and you'll do fine.

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Vocabulary lists containing unforgettable

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

She writes, “The masterstroke of The Disappearers is that James lands the finish, a feat of generosity, compassion, and, as with the rest of this unforgettable book, unconquerable bravado.”

From Slate Sep. 9, 2026

The image of Mourinho celebrating as the sprinklers sprayed across the pitch became iconic, a lasting symbol of his unforgettable 2010 triumph with Inter.

From BBC Sep. 8, 2026

For those who saw it, the spectacle was unforgettable.

From The Wall Street Journal Sep. 2, 2026

“Through his many films, TV and stage performances, and his unforgettable portrayal of Chandler Bing, he made millions of us laugh, connect, and feel a little less alone,” Robertson said in a statement.

From Los Angeles Times Sep. 1, 2026

Bodega had an unforgettable blend of nobility and street, as if God never made up his mind whether to have Bodega be born a leader or a hood.

From "Bodega Dreams" by Ernesto Quinonez

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