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.
Today, American players are starring for some of Europe's biggest clubs, competing in the Champions League and exploring opportunities that would have been unimaginable during Donovan's playing days. Alejandro Avila Outkick, FOXNews.com, 10 June 2026 Sitting courtside in New York City is an experience sung about in Jay-Z tracks and emulated in Hollywood movies, and for that reason, when the basketball game in question is the NBA Finals, the experience can and will cost an ordinary fan unimaginable sums of money. ABC News, 9 June 2026 That figure would have seemed almost unimaginable in traditional motorsport. James Morris, Forbes.com, 6 June 2026 Seeing RINOs drop like flies (Republicans in Name Only) brings unimaginable joy to the hearts of those of us who love America. Sun Sentinel Editorial Board, Sun Sentinel, 4 June 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 13 Jun. 2026.

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