- 1Not able to occur, exist, or be done: a seemingly impossible task [with infinitive]: it was almost impossible to keep up with himMore example sentences
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, irrationalunachievable, unobtainable, hopeless, impractical, implausible, far-fetched, impracticable, unworkable; forlorn, vain; incredible, unbelievable, absurd, ludicrous, ridiculous, laughable, risible, preposterous, outlandish, outrageous; wild, hare-brained
- Drug use has become so widespread and accepted that it is impossible to enforce existing laws.
- Representing such a lifetime's work on a single disc is a near impossible task.
- Synthesising all of the various glycoforms in the laboratory would be an almost impossible task.
- 1.1Very difficult to deal with: she was in an impossible situationMore example sentences
- Those of you in that impossible situation have all my empathy, and best wishes for a happy resolution.
- Clergy and parents are being put through impossible situations each and every year.
- He added it would put people from Pool in an impossible situation.
- 1.2 • informal (Of a person) very unreasonable: ‘Impossible woman!’ the doctor complainedMore example sentences
- He was confusing enough when he was alive but now, when he's dead, he's impossible.
Middle English: from Old French, or from Latin impossibilis, from in- 'not' + possibilis (see possible).