- Definitions|2
- Thesaurus|1.3k
- Abbreviations|0
201 entries under adjective topic. ×
| infeasible(wild, unreasonable, useless, absurd) | |
| intolerable(pain, terrible, unacceptable, incredible) | |
| illogical(wild, unreasonable, useless, absurd) | |
| implausible(hard, great, difficult, extraordinary) | |
| ludicrous(absurd, intolerable, ungovernable) | |
| unachievable(impractical, pessimistic, desperate, unpromising) | |
| unrealistic(false, wild, practical, absurd) | |
| unreasonable(hard, difficult, unusual, stupid) | |
| insupportable(pain, extreme, painful, insufferable) | |
| irreparable(hopeless, unable) | |
| out of the question(expression, idiom, wild, stupid) | |
| outlandish(hard, difficult, extraordinary, silly) | |
| unrealizable(unreasonable, possible, inaccessible, unpractical) | |
| unsufferable(pain, unbearable) | |
| imaginary(perfect, ideal, number, lofty) | |
| incomprehensible | |
| irremediable | |
| paradoxical | |
| self-contradictory | |
| unobtainable |
For more, visit
Impossible on
Power Thesaurus
| APA | Smart Define. (2016). impossible thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/impossible/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "impossible thesaurus" https://smartdefine.org/impossible/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, impossible thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/impossible/thesaurus/synonyms>. |
| MLA | Smart Define. "impossible thesaurus" 9 March 2016. Web. 22 September 2026. <https://smartdefine.org/impossible/thesaurus/synonyms> |