- Definitions|1
- Thesaurus|221
- Abbreviations|0
| illogical(adjective, unreasonable, unviable) | |
| impotent | |
| impractically | |
| improbable(adjective, unreasonable, unviable) | |
| imprudent | |
| ineffectual | |
| inefficacious(adjective, unreasonable, unviable) | |
| infeasible(adjective, unreasonable, unviable) | |
| inoperable(adjective, unreasonable, unviable) | |
| insane | |
| insubstantial | |
| irrational | |
| lunatic | |
| madcap | |
| make up(verb, expression, phrasal verb) | |
| mythical | |
| no go(expression, adjective, unreasonable, unviable) | |
| nonfunctional(adjective, unreasonable, unviable) | |
| nonviable(adjective, unreasonable, unviable) | |
| not practical(expression, idiom) |
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| APA | Smart Define. (2016). unpractical thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unpractical/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "unpractical thesaurus" https://smartdefine.org/unpractical/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, unpractical thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unpractical/thesaurus/synonyms>. |
| MLA | Smart Define. "unpractical thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/unpractical/thesaurus/synonyms> |