59 entries under ineffectual topic. ×

5
hollow(adjective, poor, inadequate, useless, trivial)
4
faulty(adjective, weak, poor, inadequate, feeble)
4
flabby(adjective, weak, poor, inadequate, feeble)
4
poor(adjective, dull, light, weak, soft)
4
toothless(adjective, poor, inadequate, useless)
3
thin(adjective, dull, light, weak, soft)
3
unconvincing(adjective, weak, poor, inadequate, feeble)
2
bad(adjective, useless, void, unsound, unfit)
2
deficient(adjective, poor, inadequate, toothless)
2
implausible(adjective, poor, inadequate, toothless)
2
inconclusive(adjective, poor, inadequate, toothless)
2
limited(adjective, poor, inferior, inadequate, feeble)
2
null and void(expression, adjective, idiom, inferior, inadequate)
2
unsatisfactory(adjective, weak, poor, inadequate, feeble)
1
characterless(adjective, weak, feeble, mediocre, void)
1
unprepared(adjective, weak, poor, inadequate, feeble)
1
unsanctioned(adjective, void, unsound, invalid)
1
untrained(adjective, weak, poor, inadequate, feeble)
0
green(adjective, poor, inadequate, toothless)
0
handicapped(adjective, poor, inadequate, toothless)
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APASmart Define. (2016). ineffective thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/ineffective/thesaurus/synonyms
ChicagoSmart Define. 2016. "ineffective thesaurus" https://smartdefine.org/ineffective/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, ineffective thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/ineffective/thesaurus/synonyms>.
MLASmart Define. "ineffective thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/ineffective/thesaurus/synonyms>