unsolvable

adjective

un·​solv·​able ˌən-ˈsäl-və-bəl How to pronounce unsolvable (audio)
-ˈsȯl-
Synonyms of unsolvablenext
: 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.
The pair’s ability to score from anywhere on the floor makes UConn (23-0, 12-0 in Big East) not just a defensive mismatch, but also an unsolvable problem — at least to this point in the season. Chantel Jennings, New York Times, 1 Feb. 2026 Quantum computing, once theoretical, is now being harnessed to tackle previously unsolvable problems in fluid dynamics, design of new molecules and materials, and energy optimization. CBS News, 22 Jan. 2026 At first glance, replacing tens or even hundreds of millions of vanishing federal Medicaid dollars each year is not an unsolvable problem in Connecticut. Keith M. Phaneuf, Hartford Courant, 7 Jan. 2026 Quantum computers promise to tackle problems that are unsolvable for today’s machines, but their basic units (qubits) are incredibly fragile. Rupendra Brahambhatt, Interesting Engineering, 29 Nov. 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 16 Feb. 2026.

Last Updated: - Updated example sentences
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