unthinkable
adjective
un·think·able
ˌən-ˈthiŋ-kə-bəl 
1
: not capable of being grasped by the mind
2
: being contrary to what is reasonable, desirable, or probable : being out of the question
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
But when she's laid off from her newspaper job, Andy returns to Runway as a features editor and helps the magazine land a once-unthinkable exclusive interview.
—
Patrick Ryan, USA Today, 28 Apr. 2026
The encounter between Christianity’s two most famous religious figures would have been unthinkable just a few years ago, given the divisions between their two churches over women’s ordination in general and Mullally's appointment in particular.
—ABC News, 27 Apr. 2026
To question or go against the grain of their household’s dynamic is unthinkable to her; thus, her frustrations are exacted upon her daughter for challenging these dynamics by merely existing as a teen girl.
—Literary Hub, 27 Apr. 2026
The strike reveals how Russia’s invasion has made once-unthinkable nuclear security threats a reality.
—Hanna Arhirova, Los Angeles Times, 25 Apr. 2026
See All Example Sentences for unthinkable
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Patrick Ryan, USA Today, 28 Apr. 2026
The encounter between Christianity’s two most famous religious figures would have been unthinkable just a few years ago, given the divisions between their two churches over women’s ordination in general and Mullally's appointment in particular.
—ABC News, 27 Apr. 2026
To question or go against the grain of their household’s dynamic is unthinkable to her; thus, her frustrations are exacted upon her daughter for challenging these dynamics by merely existing as a teen girl.
—Literary Hub, 27 Apr. 2026
The strike reveals how Russia’s invasion has made once-unthinkable nuclear security threats a reality.
—Hanna Arhirova, Los Angeles Times, 25 Apr. 2026
See All Example Sentences for unthinkable
Cite this Entry
“Unthinkable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unthinkable. Accessed 6 May. 2026.
Copy CitationKids Definition
unthinkable
adjective
un·think·able
ˌən-ˈthiŋ-kə-bəl
ˈən-
: not to be thought of or considered as possible
unthinkable cruelty
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