Synonyms|519Antonyms|152|Broader|6Narrower|4Related|1k

17 entries under impossible topic. ×

8
impractical(adjective, improper)
6
unfeasible(adjective, improper, feasible)
6
inconceivable(adjective, improper)
5
unlikely(adjective, improper)
4
unworkable(adjective, improper)
3
unreasonable(adjective, improper)
2
implausible(adjective, improper)
2
unattainable(adjective, improper)
2
unpractical(adjective, improper)
1
disadvantageous(adjective, improper)
1
improper
1
inappropriate(adjective, improper)
1
unfitting(adjective, improper)
1
unprofitable(adjective, improper)
1
unsuitable(adjective, improper)
0
unhelpful(adjective, improper)
0
worthless(adjective, improper)
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APASmart Define. (2015). feasible thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/feasible/thesaurus/antonyms
ChicagoSmart Define. 2015. "feasible thesaurus" https://smartdefine.org/feasible/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2015, feasible thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/feasible/thesaurus/antonyms>.
MLASmart Define. "feasible thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/feasible/thesaurus/antonyms>