unforgettable
Americanadjective
adjective
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.
Vocabulary lists containing unforgettable
"To Helen Keller" and "Marked/Dusting"
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"One Crazy Summer" by Rita Williams-Garcia, List 5
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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.
Yet that’s precisely what made my first viewing of “Totoro” so unforgettable: Mei and Satsuki’s safety was never in doubt.
From Salon ● Jul. 15, 2026
The World Cup continues to deliver drama and unforgettable moments, and the field is now down to just four nations as we head into the semi-finals.
From BBC ● Jul. 12, 2026
Elon Green weaves the mystery’s disparate threads into a single, unforgettable narrative.
From Slate ● Jul. 7, 2026
“We’re so delighted to have her join us as the host of this year’s Emmys telecast and know that she will create an unforgettable evening honoring the very best of television.”
From Los Angeles Times ● Jul. 7, 2026
All the memories, funny moments, and unforgettable scenes living inside me, things I’ve been thinking about and writing about in my notebook, are parts of me that they know nothing about.
From "Amina's Song" by Hena Khan
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.