Синоним impossible

slim chance chance in a million very little chance no chance poor prospect fat chance small chance ghost of a chance not a prayer no way poor possibility snowball's chance in hell when hell freezes over poor outlook

irresolvable irresoluble unfeasible impracticable unattainable unachievable unworkable out of the question unviable impractical hopeless ridiculous not on absurd futile impassable inaccessible inconceivable insurmountable preposterous unimaginable unreasonable unthinkable useless visionary beyond contrary to reason cureless hardly possible hundred-to-one impervious inexecutable infeasible irrealizable irreparable no-go no-way no-win not a prayer too much uncorrectable unobtainable unrecoverable way out

unbearable incredible terrible dreadful intolerable difficult awkward unmanageable insufferable ungovernable ludicrous outrageous unacceptable offensive undesirable egregious improper incongruous objectionable unanswerable unsuitable