45 entries under idle topic. ×

3
good-for-nothing(adjective, poor, base, stupid, inferior)
3
impracticable(adjective, stupid, useless, trivial)
3
incompetent(weak, stupid, inadequate, limited)
3
inept(weak, stupid, inadequate, feeble)
3
unworkable(weak, stupid, useless, incompetent)
3
weak(adjective, stupid, short, useless)
2
feckless(weak, stupid, inferior, inadequate)
2
of no use(expression, idiom, weak, stupid)
2
unavailable(stupid, inadequate, feeble, useless)
1
disadvantageous(weak, stupid, useless, incompetent)
1
expendable(weak, stupid, useless, incompetent)
1
gainless(adjective, dry, product, useless)
1
no good(expression, weak, poor, stupid)
1
nonfunctional(weak, stupid, useless, incompetent)
1
scrap(weak, stupid, useless, incompetent)
1
stupid(adjective, silly, insignificant, useless)
1
unfunctional(weak, stupid, useless, incompetent)
1
unpurposed(weak, stupid, useless, incompetent)
1
unremunerative(adjective, dry, useless)
1
unusuable(weak, stupid, useless, incompetent)
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APASmart Define. (2016). unavailing thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unavailing/thesaurus/synonyms
ChicagoSmart Define. 2016. "unavailing thesaurus" https://smartdefine.org/unavailing/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, unavailing thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unavailing/thesaurus/synonyms>.
MLASmart Define. "unavailing thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/unavailing/thesaurus/synonyms>