Synonyms|607Antonyms|112|Broader|9Narrower|11Related|650
6
unattainable(adjective, impractical, impracticable, unrealizable)
6
undoable(adjective, impractical, impracticable, unrealizable)
5
unfeasible(adjective, impractical, impracticable, unrealizable)
5
unworkable(adjective, impractical, impracticable, unrealizable)
4
impracticable
4
infeasible(adjective, impractical, impracticable, unrealizable)
4
unachievable
4
unrealizable
3
hopeless
3
out
3
unpractical(adjective, impractical, impracticable, unrealizable)
2
cheap
2
intolerable
2
notorious
1
difficult
1
excited
1
foul
1
implausible
1
niggardly
1
not taught
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APASmart Define. (2016). impossible thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/impossible/thesaurus/related
ChicagoSmart Define. 2016. "impossible thesaurus" https://smartdefine.org/impossible/thesaurus/related (accessed September 22, 2026).
HarvardSmart Define 2016, impossible thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/impossible/thesaurus/related>.
MLASmart Define. "impossible thesaurus" 9 March 2016. Web. 22 September 2026. <https://smartdefine.org/impossible/thesaurus/related>