impossible

Synonyms

hopeless, insoluble, insolvable, insuperable, unattainable, undoable, unrealizable, unsolvable;

Antonyms

achievable, attainable, doable, feasible, possible, realizable, resolvable, soluble, workable;

Near Antonyms

applicable, functional, practicable, practical, reasonable, serviceable, usable (also useable), useful, working;

likely, probable;

acceptable, believable, conceivable, credible, plausible;

Related 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, ridiculous;