86 entries under useless topic. ×

1
kaput(adjective, unfit)
1
non-effective(adjective, unfit)
1
non-serviceable(adjective, unfit)
1
noneffective(adjective, unfit)
1
not equal to(expression, adjective, idiom, weak, inadequate)
1
not have it(expression, inadequate, inept, unable)
1
out-of-use(adjective, unfit)
1
out to lunch(expression, inadequate, inept, unable)
1
raw(inadequate, inept, incomplete, unable)
1
slow(adjective, unfit)
1
sterile(weak, poor, trivial, scarce)
1
unadapted(inadequate, inept, unable, unskilled)
1
unequipped(adjective, weak, inadequate, unfit)
1
unfit for(adjective, unfit)
1
unhandy(inadequate, inept, unable, unskilled)
1
uninitiated(inadequate, inept, unable, unskilled)
1
unmarketable(adjective, unfit)
1
unpractical(adjective, unfit)
1
unproficient(inadequate, inept, unable, unskilled)
1
unreal(adjective, trivial, hollow, hopeless)
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APASmart Define. (2016). insufficient thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/insufficient/thesaurus/synonyms
ChicagoSmart Define. 2016. "insufficient thesaurus" https://smartdefine.org/insufficient/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, insufficient thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/insufficient/thesaurus/synonyms>.
MLASmart Define. "insufficient thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/insufficient/thesaurus/synonyms>