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

Examples Sentences

Recent Examples of unsolvable

The same genetic genealogy that helped catch the notorious Golden State Killer suspect in 2018 has been used to solve handfuls of mysterious criminal cases around the United States that were once thought to be unsolvable, including the harrowing story of Gail Eastwood-Ritchey. —Sean Neumann, People.com, 11 Oct. 2024

Takabe, meanwhile, is plagued by visions of his wife killing herself, and the guilt of that possibility entwines with his increasingly unsolvable casework. —Ryan Lattanzio, IndieWire, 19 July 2024

The search for these unusually active programs has connections to some of the most famous open questions in mathematics, and roots in an unsolvable problem as old as computer science itself. —Ben Brubaker, Quanta Magazine, 2 July 2024

That would include all the problems complexity theorists have traditionally studied, even those known to be unsolvable in the real world. —Ben Brubaker, WIRED, 30 June 2024