adjective

not able to occur, exist, or be done. "a seemingly impossible task" синонимы: not possible, out of the question, not worth considering, unfeasible, impractical, impracticable, non-viable, unworkable, beyond one, unthinkable, unimaginable, inconceivable, paradoxical, illogical, irrational, undoable, like herding cats, unattainable, unachievable, unobtainable, hopeless, implausible, far-fetched, forlorn, vain, incredible, unbelievable, absurd, ludicrous, ridiculous, laughable, risible, preposterous, outlandish, outrageous, wild, hare-brained