- Definitions|1
- Thesaurus|378
- Abbreviations|0
56 entries under adjective topic. ×
| impracticable(wild, unreasonable, useless, absurd) | |
| unworkable(unreasonable, useless, absurd, impractical) | |
| infeasible(wild, unreasonable, useless, absurd) | |
| unattainable(unreasonable, useless, absurd, impractical) | |
| impossible(perfect, wild, unreasonable, useless) | |
| impractical(perfect, wild, unreasonable, useless) | |
| unachievable(unreasonable, useless, absurd, impractical) | |
| inoperable(wild, unreasonable, useless, absurd) | |
| inaccessible(out, impossibility) | |
| unrealizable(unreasonable, impossible, out-of-the-way, unapproachable) | |
| absurd(wild, unreasonable, useless, preposterous) | |
| unobtainable(impossible, impossibility) | |
| unusable(wild, unreasonable, useless, absurd) | |
| hopeless | |
| implausible | |
| improbable(wild, unreasonable, useless, absurd) | |
| inconceivable | |
| out of the question(expression, wild, unreasonable, useless) | |
| unbelievable | |
| unnegotiable |
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| APA | Smart Define. (2015). unfeasible thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unfeasible/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unfeasible thesaurus" https://smartdefine.org/unfeasible/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, unfeasible thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unfeasible/thesaurus/synonyms>. |
| MLA | Smart Define. "unfeasible thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/unfeasible/thesaurus/synonyms> |