45 entries under ineffectual topic. ×

18
weak(adjective, quiet, simple, soft, gentle)
11
ineffective(adjective, weak, poor, inferior, inadequate)
8
impotent(adjective, weak, poor, uncertain, inferior)
6
flabby(adjective, poor, inadequate, ineffective)
4
inadequate(adjective, weak, poor, inferior, limited)
3
unsure(adjective, poor, uncertain, unstable, inadequate)
2
incompetent(adjective, poor, inferior, inadequate, limited)
2
inept(adjective, weak, poor, inferior, inadequate)
2
pathetic(adjective, weak, soft, poor, sad)
1
inefficacious(adjective, inferior, inadequate, limited, feeble)
1
lame(adjective, poor, inferior, inadequate, limited)
1
limited(adjective, weak, poor, inferior, inadequate)
1
untrained(adjective, poor, inadequate, ineffective)
0
deficient(adjective, poor, inadequate, ineffective)
0
faulty(adjective, poor, inadequate, ineffective)
0
fluctuant(adjective, soft, uncertain, nervous, unstable)
0
green(adjective, poor, inadequate, ineffective)
0
handicapped(adjective, poor, inadequate, ineffective)
0
hollow(adjective, poor, inadequate, ineffective)
0
immature(adjective, poor, inadequate, ineffective)
<123>
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APASmart Define. (2015). spineless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/spineless/thesaurus/synonyms
ChicagoSmart Define. 2015. "spineless thesaurus" https://smartdefine.org/spineless/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, spineless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/spineless/thesaurus/synonyms>.
MLASmart Define. "spineless thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/spineless/thesaurus/synonyms>