Synonyms|215Antonyms|56|Broader|0Narrower|0Related|93

78 entries under useless topic. ×

6
powerless(adjective, weak, skill, inadequate)
5
incompetent(adjective, weak, skill, inadequate, feeble)
5
unable(adjective, skill, inferior, inadequate, limited)
5
unprofitable(adjective, inferior, inadequate, feeble)
4
idle(adjective, inferior, inadequate, feeble)
4
lame(adjective, inferior, inadequate, limited, feeble)
4
unfruitful(adjective, inadequate, feeble, vain)
3
feeble(adjective, inadequate, incompetent, vain)
3
forceless(adjective, inferior, inadequate, limited, feeble)
3
indecisive(adjective, inferior, inadequate, limited, feeble)
3
inept(adjective, weak, skill, inadequate, feeble)
3
paltry(adjective, inferior, inadequate, trivial)
2
hopeless(adjective, vain, ineffective, unsuccessful)
2
inferior(adjective, inadequate, limited, feeble)
2
innocuous(adjective, inferior, inadequate, limited, feeble)
2
limited(adjective, inferior, inadequate, feeble)
2
void(adjective, inferior, inadequate, trivial)
1
abstract(wild, unreasonable, absurd, unrealistic)
1
absurd(wild, unreasonable, unrealistic, unattainable)
1
anticlimactic(adjective, inferior, inadequate, limited, feeble)
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ChicagoSmart Define. 2016. "inefficacious thesaurus" https://smartdefine.org/inefficacious/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, inefficacious thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/inefficacious/thesaurus/synonyms>.
MLASmart Define. "inefficacious thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/inefficacious/thesaurus/synonyms>