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.
Ahead of the Season 4 finale, Deadline spoke with Ghafoori about charting Fatima’s journey, filming the season’s most physically and emotionally demanding scenes, and finding the humanity in a character confronting an unimaginable transformation. Scott Shilstone, Deadline, 29 June 2026 If the collision occurs in Europe, a country like France will disappear completely from the map, and the entire continent will become an unimaginable disaster area. Govert Schilling, Scientific American, 27 June 2026 LightRocket via Getty Images N RAY Somewhere in the park, beyond this particular stretch of channel, was a three-legged male lion named Jacob who’d done something almost unimaginable two years earlier. Sarah Kingdom, Forbes.com, 27 June 2026 From threat detection to global navigation, sensing biomarkers to computing at unimaginable speeds, the quantum era holds the promise that our world will not look the same anymore. Ameya Paleja, Interesting Engineering, 25 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 6 Jul. 2026.

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