Synonyms of unsolvable

unsolvable

adjective

ˌən-ˈsäl-və-bəl 

as in impossible

incapable of being solved or accomplished

an apparently unsolvable problem

Synonyms & Similar Words

• impossible
• hopeless
• problematical
• insoluble
• unlikely
• problematic
• insolvable
• futile
• insuperable
• unattainable
• impractical
• unrealizable
• undoable
• incredible
• useless
• absurd
• unworkable
• infeasible
• questionable
• impracticable
• unusable
• dubious
• improbable
• unfeasible
• inconceivable
• suspect
• unthinkable
• debatable
• suspicious
• unimaginable
• unbelievable
• fantastical
• implausible
• ridiculous
• fishy
• disputable
• shaky
• doubtful
• far-fetched
• shady
• outlandish
• preposterous
• doubtable
• fantastic

Antonyms & Near Antonyms

• possible
• feasible
• soluble
• workable
• practical
• achievable
• attainable
• useful
• applicable
• reasonable
• functional
• resolvable
• usable
• probable
• working
• realizable
• practicable
• doable
• serviceable
• likely
• acceptable
• useable
• plausible
• conceivable
• credible
• believable

Example Sentences

Recent Examples of unsolvable

His blend of speed, directness and finishing ability has proved a consistently unsolvable problem for the Catalan tactician. —Sam Tighe, The Athletic, 25 Feb. 2025

Tech companies are working on quantum computing technology, which promises to solve complex problems that are currently unsolvable with traditional computers. —Jack Kelly, Forbes, 4 Mar. 2025

Most fundamentally, quantum computing promises to provide answers to problems previously thought unsolvable—puzzles that would take eons for the world’s best classical computers to crack. —Charina Chou, Foreign Affairs, 7 Jan. 2025

Given a bunch of factors (long hours, low pay, huge aggravations, a host of problems that seem unsolvable), there is almost no interest in going after School Board positions. —Alan J. Borsuk, Journal Sentinel, 27 Dec. 2024