1
impracticable(adjective, useless, unfit)
1
impractical(adjective, useless, unfit)
1
improper(adjective, useless, unfit)
1
inadaptable(adjective, useless, unfit)
1
inapplicable(adjective, useless, unfit)
1
inappreciable(adjective, useless, unfit)
1
incapable of(adjective, useless, unfit)
1
incapacitated(adjective, useless, unfit)
1
incompetent(adjective, useless, unfit)
1
inconceivable(absurd, unbelievable, implausible, preposterous, improbable)
1
inconsistent
1
ineligible(adjective, useless, unfit)
1
inexperienced
1
inexpiable
1
inexplicable(adjective, defended, verbal attack)
1
inferior(adjective, unacceptable)
1
inutile(adjective, useless, unfit)
1
irrational(adjective, defended, verbal attack)
1
kaput(adjective, useless, unfit)
1
leaderless
10 years ago|8.6k views|share |citing 
APASmart Define. (2016). untenable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/untenable/thesaurus/synonyms
ChicagoSmart Define. 2016. "untenable thesaurus" https://smartdefine.org/untenable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, untenable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/untenable/thesaurus/synonyms>.
MLASmart Define. "untenable thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/untenable/thesaurus/synonyms>