unimaginable

adjective

un·​imag·​in·​able
ˌən-ə-ˈmaj-nə-bəl
-ˈma-jə- How to pronounce unimaginable (audio)
Synonyms of unimaginablenext
: not imaginable or comprehensible
unimaginable horror
technology that was unimaginable only a few years ago
unimaginably
ˌən-ə-ˈmaj-nə-blē
-ˈma-jə How to pronounce unimaginable (audio)
adverb

Examples of unimaginable in a Sentence

the unimaginable horrors of war a disaster of almost unimaginable proportions This technology would have been unimaginable five years ago.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Her sudden passing has left an unimaginable void in our hearts and in the lives of all who knew her. Charlotte Phillipp, PEOPLE, 22 May 2026 Maybe computer scientists and AI are going to be the best of buddies, working hand-in-hand to elevate computer science to levels previously unimaginable and unattainable. Lance Eliot, Forbes.com, 22 May 2026 Though the ideas of modern political Zionism long predate the Holocaust, Israel was established by the world community in response to the unimaginable atrocities and extermination perpetrated by the Nazis, who murdered one out of every three Jews on the planet. Michael W. Sonnenfeldt, The Atlantic, 20 May 2026 Santora has a career that seems unimaginable for Gen Z workers. Jacqueline Munis, Fortune, 19 May 2026 See All Example Sentences for unimaginable

Word History

First Known Use

1611, in the meaning defined above

Time Traveler
The first known use of unimaginable was in 1611

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Cite this Entry

“Unimaginable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unimaginable. Accessed 28 May. 2026.

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