as in impossible
incapable of being solved or accomplished
an apparently unsolvable problem
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Recent Examples of unsolvable
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
Even simpler consumer-facing models are too expensive to turn a profit right now, but AI that can solve previously unsolvable problems could justify the technology's high cost.
—Ashley Belanger, ArsTechnica, 17 Sep. 2025
See All Example Sentences for unsolvable
Recent Examples of Synonyms for unsolvable
Adjective
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The shearling accent of the Arizona Suede Sandal lines the entire insole, combining the already comfortable footbed with a cloud-like, plush softness that makes taking these off impossible.—
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Moriarty maintains that assessing whether charges are necessary would not be impossible despite the limitations.—
Adjective
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Other people were staring at the ground, hopeless.—
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What lies ahead can’t possibly be worse, however, than the embarrassing false starts, the constant churn of organizational dysfunction and the thin, hopeless gruel that Vancouver has served up over the past decade.—
Cite this Entry
“Unsolvable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unsolvable. Accessed 20 Jan. 2026.
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