Synonyms|114Antonyms|60|Broader|6Narrower|5Related|66

5 entries under impossible to do topic. ×

3
unsatisfiability
2
infeasibility
1
non-feasibility
1
nonsatisfiability
1
unrealizability
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APASmart Define. (2015). impossibility thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/impossibility/thesaurus/synonyms
ChicagoSmart Define. 2015. "impossibility thesaurus" https://smartdefine.org/impossibility/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, impossibility thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/impossibility/thesaurus/synonyms>.
MLASmart Define. "impossibility thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/impossibility/thesaurus/synonyms>