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.
When unimaginable tragedy strikes, the tone of Laxe’s film shifts to become an existential horror film, one of the most unforgettable of last year. Brian Tallerico, Vulture, 31 Mar. 2026 The Los Angeles Dodgers' beginning to the 2026 season was supposed to be Alex Vesia's first as a father, but the unimaginable happened. Ryan Morik, FOXNews.com, 27 Mar. 2026 This erasure can be so successful that some characters are unimaginable with a sibling. Christine Smallwood, Harpers Magazine, 24 Mar. 2026 Eternal grace masking an unimaginable pain. Gustavo Arellano, Los Angeles Times, 19 Mar. 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 3 Apr. 2026.

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