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.
Chong also contextualises Kim Phúc’s story within the broader history of the war and postwar Vietnam, giving readers a clear view of how ordinary families were caught in geopolitical forces beyond their control and unimaginable to them. Literary Hub, 19 Dec. 2025 Our prayers are with their family, friends, and everyone grieving this unimaginable loss. Ashley Carnahan , Ryan Gaydos , Ryan Morik , Paulina Dedaj, FOXNews.com, 18 Dec. 2025 This level of success once seemed unimaginable for Cameron. Preston Fore, Fortune, 17 Dec. 2025 Their family is in deep, unimaginable pain. Meredith Kile, PEOPLE, 15 Dec. 2025 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 23 Dec. 2025.

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