Synonyms|390Antonyms|74|Broader|6Narrower|4Related|200

47 entries under inadequate topic. ×

19
void(noun, adjective, negative, inferior)
12
ineffective(adjective, inferior, useless, unsound)
10
null and void(expression, adjective, idiom, negative, inferior)
10
useless(adjective, weak, slight, lower, value)
9
barren(adjective, limited, feeble, useless)
8
vain(adjective, inferior, limited, feeble)
8
worthless(adjective, slight, lower, value, inferior)
6
ineffectual(adjective, inferior, limited, feeble)
6
inefficacious(adjective, inferior, feeble, useless)
6
nugatory(adjective, slight, lower, value, inferior)
5
inoperative(adjective, inferior, limited, feeble)
3
futile(adjective, inferior, limited, feeble)
3
unavailing(adjective, inferior, limited, feeble)
2
fruitless(adjective, inferior, limited, feeble)
2
inferior(limited, feeble, useless, vain)
2
powerless(adjective, limited, feeble, useless)
2
unprofitable(inferior, limited, feeble, useless)
1
abortive(inferior, limited, feeble, useless)
1
anticlimactic(inferior, limited, feeble, useless)
1
bootless(inferior, limited, feeble, useless)
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APASmart Define. (2015). null thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/null/thesaurus/synonyms
ChicagoSmart Define. 2015. "null thesaurus" https://smartdefine.org/null/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, null thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/null/thesaurus/synonyms>.
MLASmart Define. "null thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/null/thesaurus/synonyms>