out of the question
• too impracticable or unlikely to merit discussion.
Similar:
impossible,
impracticable,
unattainable,
unachievable,
not feasible,
not worth considering,
unworkable,
unobtainable,
inconceivable,
unthinkable,
unimaginable,
unrealizable,
unsuitable,
beyond one,
hopeless,
absurd,
ridiculous,
preposterous,
outrageous,
ludicrous,
beyond the realm of reason,
not on,
