Synonyms|19Antonyms|1|Broader|0Narrower|0Related|0
10
unsustainable
1
indefensible
1
unjustifiable
1
untenable
0
baseless
0
faulty
0
flawed
0
groundless
0
illogical
0
implausible
0
specious
0
unfounded
0
unjustified
0
unmanageable
0
unreasonable
0
unsanctionable(adjective, unsustainable)
0
unsound
0
unverifiable
0
weak
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APASmart Define. (2011). unmaintainable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unmaintainable/thesaurus/synonyms
ChicagoSmart Define. 2011. "unmaintainable thesaurus" https://smartdefine.org/unmaintainable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2011, unmaintainable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unmaintainable/thesaurus/synonyms>.
MLASmart Define. "unmaintainable thesaurus" 29 May 2011. Web. 22 September 2026. <https://smartdefine.org/unmaintainable/thesaurus/synonyms>