doable Antonyms

absurd unrealistic out of sight nonrealistic out of the question unstoppable unattainable undoable unfeasible unrealizable Not available non-working hardly likely more than one can bear more than one can stand nonviable dysfunctional brain surgery cureless fantastic futile hopeless impossible impracticable impractical improbable infeasible insolvable undoubted unsurmountable vain unavailable more than one can take