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

78 entries under useless topic. ×

1
starry-eyed(wild, unreasonable, absurd, abstract)
1
theoretical(wild, unreasonable, absurd, abstract)
1
unattainable(wild, unreasonable, absurd, unrealistic)
1
unbusinesslike(wild, unreasonable, absurd, abstract)
1
unfeasible(wild, unreasonable, absurd, unrealistic)
1
unreal(wild, unreasonable, absurd, unsound)
1
unrealistic(wild, unreasonable, absurd, abstract)
1
unserviceable(wild, unreasonable, absurd, abstract)
1
unusable(adjective, wild, unreasonable, absurd)
1
unwise(wild, unreasonable, absurd, abstract)
1
unworkable(adjective, wild, unreasonable, absurd)
1
visionary(wild, unreasonable, absurd, unrealistic)
1
withered(adjective, inferior, inadequate, limited, feeble)
0
emasculate(inadequate, feeble, vain, unsuccessful)
0
no way(expression, inadequate, feeble, unpolluted)
0
not effective(expression, inadequate, feeble, unpolluted)
0
slack-spined(inadequate, feeble, unpolluted, vain)
0
unavailable(inadequate, feeble, vain, unsuccessful)
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ChicagoSmart Define. 2016. "inefficacious thesaurus" https://smartdefine.org/inefficacious/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, inefficacious thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/inefficacious/thesaurus/synonyms>.
MLASmart Define. "inefficacious thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/inefficacious/thesaurus/synonyms>