31 entries under adjective topic. ×

18
shy(failing, lacking)
17
insufficient(strong, poor, lacking, enough)
14
inadequate(poor, incompetent, insufficient, defective)
8
unsuitable(poor, insufficient)
6
meager(poor, small, inadequate, substantial)
5
inferior(poor, insufficient)
5
useless(poor, insufficient)
5
unsatisfactory(poor, inadequate, acceptable, insufficient)
4
poor(strong, noble, inadequate, insufficient)
4
incompetent(poor, insufficient)
3
deficient(inadequate, imperfect)
3
unequal(poor, insufficient)
3
unfit(poor, insufficient)
3
incapable(strong, fit, poor, insufficient)
3
intolerable(poor, insufficient)
3
skimpy(inadequate, generous, sparse)
3
unacceptable(poor, insufficient)
3
unqualified(poor, insufficient)
3
incomplete
3
lacking
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APASmart Define. (2016). adequate thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/adequate/thesaurus/antonyms
ChicagoSmart Define. 2016. "adequate thesaurus" https://smartdefine.org/adequate/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, adequate thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/adequate/thesaurus/antonyms>.
MLASmart Define. "adequate thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/adequate/thesaurus/antonyms>