unthinkable

adjective

un·​think·​able ˌən-ˈthiŋ-kə-bəl How to pronounce unthinkable (audio)
1
: not capable of being grasped by the mind
2
: being contrary to what is reasonable, desirable, or probable : being out of the question
unthinkability noun
unthinkably adverb

Examples of unthinkable in a Sentence

to most people it seemed unthinkable that such a gentle man could be guilty of such awful crimes
Recent Examples on the Web Technologically speaking, this had been previously unthinkable at scale. Liran Zvibel, Forbes, 16 Aug. 2024 Some shelters, too, didn’t allow animals, and, for a person whose only devoted confidant in a life of instability is, say, a dog, abandoning this one friend for temporary access to a bed can seem an unthinkable exchange. Nathan Heller, The New Yorker, 31 July 2024 Not doing it would be as unthinkable in their village as not teaching a child their own language. Ayen Deng Bior, The Christian Science Monitor, 16 July 2024 On July 24, Microsoft voluntarily recognized the World of Warcraft developers’ union, a wall-to-wall unit of over 500 employees spanning multiple departments—an achievement that has long been unthinkable in the video game industry. Megan Farokhmanesh, WIRED, 1 Aug. 2024 See all Example Sentences for unthinkable 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'unthinkable.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of unthinkable was in the 15th century

Dictionary Entries Near unthinkable

Cite this Entry

“Unthinkable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unthinkable. Accessed 8 Sep. 2024.

Kids Definition

unthinkable

adjective
un·​think·​able ˌən-ˈthiŋ-kə-bəl How to pronounce unthinkable (audio)
ˈən-
: not to be thought of or considered as possible
unthinkable cruelty

More from Merriam-Webster on unthinkable

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!