unsolvable

adjective

un·​solv·​able ˌən-ˈsäl-və-bəl How to pronounce unsolvable (audio)
-ˈsȯl-
: not able to be explained, answered for, or solved : not solvable
unsolvable disputes
an unsolvable mystery
unsolvably adverb
an unsolvably difficult problem

Examples of unsolvable in a Sentence

an apparently unsolvable problem
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.
In South Los Angeles, where chronic absenteeism once seemed like an unsolvable problem, educator and innovator Amen Rahh—known simply as Principal Rahh—is rewriting the narrative. Hannah Nwoko, Parents, 27 Oct. 2025 That’s because cutting-edge encryption shrouds information behind mathematical problems (such as factoring enormous numbers) that are conjectured to be unsolvable in any practical amount of time. Jack Murtagh, Scientific American, 22 Oct. 2025 Olson’s Morgan is a single mom with an extraordinary gift for solving unsolvable crimes. H. Alan Scott, MSNBC Newsweek, 8 Oct. 2025 For starters, the thinking goes, an underwater developer has been booted from a math problem that was unsolvable. Jennifer Van Grove, San Diego Union-Tribune, 29 Sep. 2025 See All Example Sentences for unsolvable

Word History

First Known Use

circa 1775, in the meaning defined above

Time Traveler
The first known use of unsolvable was circa 1775

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Cite this Entry

“Unsolvable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsolvable. Accessed 31 Oct. 2025.

Last Updated: - Updated example sentences
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