40 entries under unusable topic. ×

14
dysfunctional(feature, characteristic, state, hopeless, impractical)
12
useless(adjective, wild, unreasonable, useless, absurd)
7
ineffective(adjective, useless, unfit, impractical, hopeless)
7
unworkable(adjective, wild, unreasonable, useless, absurd)
5
futile(adjective, useless, impractical, hopeless)
5
good-for-nothing(adjective, useless, unfit, impractical, hopeless)
5
inadequate(adjective, useless, unfit, impractical, hopeless)
4
fruitless(adjective, useless, impractical, hopeless, inutility)
4
ineffectual(adjective, impractical, hopeless)
4
inoperative(impractical, hopeless)
4
unavailing(adjective, impractical, hopeless)
4
unprofitable(adjective, impractical, hopeless, inutility)
4
worthless(adjective, useless, unfit, impractical, hopeless)
3
bootless(adjective, impractical, hopeless)
3
idle(adjective, impractical, hopeless)
3
unproductive(adjective, impractical, hopeless, inutility)
2
abortive(adjective, impractical, hopeless)
2
feckless(adjective, impractical, hopeless)
2
incompetent(adjective, useless, unfit, impractical, hopeless)
2
inutile(adjective, useless, unfit, impractical, hopeless)
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APASmart Define. (2016). unserviceable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unserviceable/thesaurus/synonyms
ChicagoSmart Define. 2016. "unserviceable thesaurus" https://smartdefine.org/unserviceable/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, unserviceable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unserviceable/thesaurus/synonyms>.
MLASmart Define. "unserviceable thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/unserviceable/thesaurus/synonyms>