All impossibility synonyms

noun impossibility

• futility — the quality of being futile; ineffectiveness; uselessness.
• failure — an act or instance of failing or proving unsuccessful; lack of success: His effort ended in failure. The campaign was a failure.
• difficulty — the fact or condition of being difficult.
• contrariety — opposition between one thing and another; disagreement
• impracticality — not practical or useful.
• feasibility — capable of being done, effected, or accomplished: a feasible plan.
• impracticable — not practicable; incapable of being put into practice with the available means: an impracticable plan.
• unlikelihood — the state of being unlikely; improbability.
• no-no — anything that is forbidden or not advisable, as because of being improper or unsafe: If you want to lose weight, rich desserts are a no-no.
• cul-de-sac — A cul-de-sac is a short road which is closed off at one end.
• nonstarter — an issue, plan, etc., that does not get or deserve to get under way.
• hopelessness — providing no hope; beyond optimism or hope; desperate: a hopeless case of cancer.
• ridiculousness — causing or worthy of ridicule or derision; absurd; preposterous; laughable: a ridiculous plan.
• unreasonableness — not reasonable or rational; acting at variance with or contrary to reason; not guided by reason or sound judgment; irrational: an unreasonable person.
• unattainability — capable of being attained.
• unworkable — practicable or feasible: He needs a workable schedule.