76 entries under feeble topic. ×

47
ineffective(adjective, dull, light, weak, soft)
35
useless(adjective, weak, poor, failure, base)
30
unavailing(adjective, weak, poor, failure, base)
29
futile(adjective, weak, poor, base, careless)
25
impotent(adjective, strong, weak, ability, poor)
24
unproductive(adjective, weak, poor, base, silly)
23
inefficient(adjective, weak, thin, delicate, failure)
22
weak(adjective, dull, strong, light, soft)
21
bootless(adjective, useless, arouse bad feelings, feature, state)
20
fruitless(adjective, weak, failure, silly, stupid)
20
vain(adjective, weak, stupid, insignificant, inadequate)
20
worthless(adjective, weak, poor, base, careless)
19
inefficacious(adjective, skill, affect, inadequate)
18
abortive(adjective, failure, stupid, inadequate)
18
incompetent(adjective, weak, poor, thin, delicate)
16
inadequate(adjective, dull, mean, strong, light)
16
unsuccessful(adjective, weak, inadequate, limited)
14
idle(adjective, weak, stupid, inadequate, limited)
13
powerless(adjective, strong, weak, ability, thin)
12
unable(adjective, weak, skill, inadequate, limited)
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APASmart Define. (2016). ineffectual thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/ineffectual/thesaurus/synonyms
ChicagoSmart Define. 2016. "ineffectual thesaurus" https://smartdefine.org/ineffectual/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, ineffectual thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/ineffectual/thesaurus/synonyms>.
MLASmart Define. "ineffectual thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/ineffectual/thesaurus/synonyms>