Synonyms and Antonyms of insoluble
incapable of being solved or accomplished the seemingly insoluble mystery concerning the identity of the people who built these ancient structures Synonyms hopeless, impossible, insolvable, insuperable, unattainable, undoable, unrealizable, unsolvableRelated Words impracticable, impractical, infeasible, unusable, unworkable; debatable, disputable, doubtable, doubtful, dubious, far-fetched, fishy, improbable, problematic (also problematical), questionable, shady, shaky, suspect, suspicious, unfeasible, unlikely; implausible, inconceivable, incredible, unbelievable, unimaginable, unthinkable; futile, useless; absurd, fantastic (also fantastical), outlandish, preposterous, ridiculousNear Antonyms applicable, functional, practicable, practical, reasonable, serviceable, usable (also useable), useful, working; likely, probable; acceptable, believable, conceivable, credible, plausibleAntonyms achievable, attainable, doable, feasible, possible, realizable, resolvable, soluble, workable
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