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
Many of Lambert’s recent cases have involved grave crimes, of the sort that society considers unthinkable.
—
Rosa Lyster, Harpers Magazine, 30 Dec. 2025
Some options now fit the whole pumping mechanism into a form that can slip into your bra, promising a level of discretion that would have been unthinkable just a decade ago.
—Rachel Feltman, Popular Science, 25 Dec. 2025
Sellers are offering concessions that would have seemed unthinkable two years ago.
—Allison Palmer, Miami Herald, 22 Dec. 2025
Access to alternative investments is expanding in ways that were almost unthinkable a decade ago.
—Kristin Olson, Fortune, 19 Dec. 2025
See All Example Sentences for unthinkable
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Rosa Lyster, Harpers Magazine, 30 Dec. 2025
Some options now fit the whole pumping mechanism into a form that can slip into your bra, promising a level of discretion that would have been unthinkable just a decade ago.
—Rachel Feltman, Popular Science, 25 Dec. 2025
Sellers are offering concessions that would have seemed unthinkable two years ago.
—Allison Palmer, Miami Herald, 22 Dec. 2025
Access to alternative investments is expanding in ways that were almost unthinkable a decade ago.
—Kristin Olson, Fortune, 19 Dec. 2025
See All Example Sentences for unthinkable
Cite this Entry
“Unthinkable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unthinkable. Accessed 2 Jan. 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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