Synonyms|213Antonyms|56|Broader|2Narrower|0Related|188
5
unsuitable(adjective, useless, unfit, unacceptable)
5
unwarranted(adjective, reasoning)
4
intolerable(adjective, unacceptable)
4
implausible(adjective, irrational, unbelievable, improbable, unreasoned)
4
pregnable
4
thin(adjective, weak, deficient, unbelievable, implausible)
4
unforgivable(adjective, inexcusable)
4
unsupportable(adjective, indefensible)
4
wrong(adjective, false)
3
false(adjective, reasoning)
3
inadequate(adjective, useless, unfit, unacceptable)
3
inadmissible(adjective, unacceptable)
3
inappropriate(adjective, useless, unfit, unacceptable)
3
inexcusable(adjective, forgivable)
3
insufficient(adjective, useless, unfit, unacceptable)
3
objectionable(adjective, defended, verbal attack)
3
sophistic
3
unjustified
3
unpardonable
3
unsupported
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APASmart Define. (2016). untenable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/untenable/thesaurus/synonyms
ChicagoSmart Define. 2016. "untenable thesaurus" https://smartdefine.org/untenable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, untenable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/untenable/thesaurus/synonyms>.
MLASmart Define. "untenable thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/untenable/thesaurus/synonyms>