85 entries under inadequate topic. ×

12
bad(adjective, weak, wrong, evil, sad)
12
base(noun, adjective, mean, bad, weak)
11
abortive(adjective, weak, inferior, limited)
11
idle(adjective, weak, slight, small, silly)
11
mean(adjective, person, bad, weak, wrong)
10
sorry(adjective, mean, weak, moving, poor)
9
mediocre(adjective, mean, bad, weak, poor)
9
unsuccessful(adjective, inferior, limited, feeble)
8
feckless(adjective, weak, value, inferior, insignificant)
8
rotten(adjective, mean, bad, weak, wrong)
7
insufficient(adjective, light, weak, poor, small)
7
niggardly(adjective, weak, poor, small, miserable)
7
null(adjective, slight, lower, value, inferior)
7
shoddy(adjective, mean, bad, weak, poor)
7
unfruitful(adjective, poor, small, insignificant)
6
incompetent(adjective, weak, stupid, idle)
6
inefficacious(adjective, inferior, useless, trivial)
6
inefficient(adjective, inferior, limited, feeble)
6
inoperative(adjective, weak, stupid, inferior)
6
second-rate(adjective, mean, bad, weak, slight)
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APASmart Define. (2016). worthless thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/worthless/thesaurus/synonyms
ChicagoSmart Define. 2016. "worthless thesaurus" https://smartdefine.org/worthless/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, worthless thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/worthless/thesaurus/synonyms>.
MLASmart Define. "worthless thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/worthless/thesaurus/synonyms>