Impossible Synonyms

Difficult , absurd, awkward, and demanding are synonyms for impossible; possible, easy, and attainable are antonyms of impossible. On this page, you will find 54 another word for impossible.

54 Another Word for Impossible

1. not possible

  • Absurd
  • Beyond one
  • Far-fetched
  • Forlorn
  • Hopeless
  • Illogical
  • Implausible
  • Impracticable
  • Impractical
  • Inconceivable
  • Incredible
  • Irrational
  • Laughable
  • Like herding cats
  • Ludicrous
  • Non-viable
  • Not possible
  • Not worth considering
  • Out of the question
  • Outlandish
  • Outrageous
  • Paradoxical
  • Preposterous
  • Ridiculous
  • Risible
  • Unachievable
  • Unattainable
  • Unbelievable
  • Undoable
  • Unfeasible
  • Unimaginable
  • Unobtainable
  • Unthinkable
  • Unworkable
  • Vain
  • Wild
  • Hare-brained

2. unmanageable

  • Awkward
  • Demanding
  • Difficult
  • Exasperating
  • Intolerable
  • Intractable
  • Maddening
  • Objectionable
  • Perverse
  • Recalcitrant
  • Unbearable
  • Unendurable
  • Ungovernable
  • Unmanageable
  • Wayward
  • Infuriating

Impossible Sentences

It seems impossible to achieve success.

She considered the task impossible to complete.

His dreams felt impossible to realize.

They deemed the situation impossible to fix.