65 entries under unfit topic. ×

2
loose(adjective, weak, wrong, unhealthy, absurd)
2
shaky(adjective, ill, sick, unhealthy, frail)
2
worthless(adjective, useless, unsound, trifling)
1
below par(expression, adjective, sick, broken)
1
delicate(mean, weak, down, sick, green)
1
disused(adjective, useless)
1
dull(adjective, useless)
1
good-for-nothing(adjective, useless)
1
good for nothing(adjective, useless)
1
impractical(adjective, useless)
1
inappreciable(adjective, useless)
1
inappropriate(adjective, useless)
1
incapable of(adjective, useless)
1
ineligible(adjective, useless)
1
insufficient(adjective, useless)
1
inutile(adjective, useless)
1
kaput(adjective, useless)
1
laid low(expression, adjective, sick, unhealthy)
1
non-effective(adjective, useless)
1
non-serviceable(adjective, useless)
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APASmart Define. (2016). invalid thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/invalid/thesaurus/synonyms
ChicagoSmart Define. 2016. "invalid thesaurus" https://smartdefine.org/invalid/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, invalid thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/invalid/thesaurus/synonyms>.
MLASmart Define. "invalid thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/invalid/thesaurus/synonyms>