Synonyms of impossible in English:

impossible

adjective

  • 1 gale force winds made fishing impossible
    not possible, beyond the bounds of possibility, out of the question, not worth considering;
    unfeasible, impractical, impracticable, non-viable, unworkable, beyond one;
    unthinkable, unimaginable, inconceivable;
    paradoxical, illogical, irrational
    [Antonyms] possible, easy
  • 2 six months ago his ambition had seemed an impossible dream
    unattainable, unachievable, unobtainable, hopeless, impractical, implausible, far-fetched, impracticable, unworkable;
    forlorn, vain;
    incredible, unbelievable, absurd, ludicrous, ridiculous, laughable, risible, preposterous, outlandish, outrageous;
    wild, hare-brained
    [Antonyms] possible, attainable
  • 3 a ban on buses would have made life impossible for many residents
    unbearable, intolerable, unendurable, unsustainable
    informal no-win
    [Antonyms] bearable, tolerable
  • 4 informal your mother is the most impossible woman in the world
    unmanageable, intractable, recalcitrant, wayward, objectionable, difficult, demanding, awkward, perverse, ungovernable;
    intolerable, unbearable, unendurable;
    exasperating, maddening, infuriating
    [Antonyms] manageable, easy to please
  • Definition of impossible in:

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    Word of the day retroflex
    Pronunciation: ˈrɛtrə(ʊ)flɛks
    adjective
    turned backwards