Synonyms|111Antonyms|43|Broader|0Narrower|0Related|224

10 entries under impossible topic. ×

16
impracticable(adjective, wild, unreasonable, useless, absurd)
15
unworkable(adjective, unreasonable, useless, absurd, impractical)
12
unattainable(adjective, unreasonable, useless, absurd, impractical)
11
impossible(adjective, perfect, wild, unreasonable, useless)
4
unrealizable(adjective, unreasonable, out-of-the-way, unapproachable)
3
absurd(adjective, wild, unreasonable, useless, preposterous)
3
unobtainable(adjective, impossibility)
2
implausible
2
inconceivable
1
unreasonable(adjective, useless, absurd, preposterous)
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APASmart Define. (2015). unfeasible thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unfeasible/thesaurus/synonyms
ChicagoSmart Define. 2015. "unfeasible thesaurus" https://smartdefine.org/unfeasible/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unfeasible thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unfeasible/thesaurus/synonyms>.
MLASmart Define. "unfeasible thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/unfeasible/thesaurus/synonyms>