72 entries under ineffective topic. ×

35
useless(adjective, weak, poor, failure, base)
30
unavailing(adjective, weak, poor, failure, base)
29
futile(adjective, weak, poor, base, careless)
26
feeble(adjective, dull, strong, light, weak)
25
impotent(adjective, strong, weak, ability, poor)
24
unproductive(adjective, weak, poor, base, silly)
23
inefficient(adjective, weak, thin, delicate, failure)
22
pointless(adjective, poor, base, inferior, insignificant)
22
weak(adjective, dull, strong, light, soft)
20
fruitless(adjective, weak, failure, silly, stupid)
20
vain(adjective, weak, stupid, insignificant, inadequate)
18
abortive(adjective, failure, stupid, inadequate, feeble)
18
incompetent(adjective, weak, poor, thin, delicate)
16
inadequate(adjective, dull, mean, strong, light)
16
unsuccessful(adjective, weak, inadequate, limited, feeble)
14
idle(adjective, weak, stupid, inadequate, limited)
14
sterile(adjective, weak, poor, base, inferior)
12
barren(adjective, weak, poor, base, inferior)
12
inept(adjective, weak, poor, stupid, idle)
12
spineless(adjective, weak, soft, poor, uncertain)
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APASmart Define. (2016). ineffectual thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/ineffectual/thesaurus/synonyms
ChicagoSmart Define. 2016. "ineffectual thesaurus" https://smartdefine.org/ineffectual/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, ineffectual thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/ineffectual/thesaurus/synonyms>.
MLASmart Define. "ineffectual thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/ineffectual/thesaurus/synonyms>