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.
The Residence starred Uzo Aduba as quirky detective Cordelia Cupp, who uses her cunning intellect and obsessive bird-watching abilities to crack otherwise unsolvable cases. Andy Swift, TVLine, 2 July 2025 How did the Pacers solve the seemingly unsolvable problem of defending Shai Gilgeous-Alexander and Jalen Williams? Jared Weiss, New York Times, 21 June 2025 Essentially, this blend provides not just quicker processing but a whole new method of solving problems previously unfeasible or unsolvable. Devendra Goyal, Forbes.com, 17 June 2025 This message — summed up by the phrase One pill can kill — began spreading in schools and on social media nationwide but for years the wave of death seemed unsolvable. Brian Mann, NPR, 10 June 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

Browse Nearby Words

Cite this Entry

“Unsolvable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsolvable. Accessed 10 Sep. 2025.

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!