160 entries under adjective topic. ×

1
profitless(weak, poor, base, inferior)
1
slow(useless, unfit)
1
starry-eyed(wild, unreasonable, useless, absurd)
1
sterile(poor, base, inferior, insignificant)
1
trashy(poor, base, inferior, insignificant)
1
trifling(poor, base, inferior, insignificant)
1
trivial(poor, base, inferior, insignificant)
1
unable(useless, unfit)
1
unadaptable
1
unapt(useless, unfit)
1
unbusinesslike(wild, unreasonable, useless, absurd)
1
unessential(poor, base, inferior, insignificant)
1
unfit for(useless, unfit)
1
unfitted(useless, unfit)
1
unimportant(poor, base, inferior, insignificant)
1
unmarketable(useless, unfit)
1
unpurposed(weak, stupid, idle, useless)
1
unsuccessful
1
unsuited(useless, unfit)
1
untenable(useless, unfit)
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APASmart Define. (2016). unusable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unusable/thesaurus/synonyms
ChicagoSmart Define. 2016. "unusable thesaurus" https://smartdefine.org/unusable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, unusable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unusable/thesaurus/synonyms>.
MLASmart Define. "unusable thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/unusable/thesaurus/synonyms>