50 entries under noun topic. ×

7
inadequacy(advantage, defect, shortage, inability)
5
insufficiency
4
deficiency(excess, imperfection, enough, inadequacy)
3
dearth(abundance, enough)
3
deficit(advantage, enough)
3
inadequateness
3
poverty(ease, surplus)
3
scantiness(excess, enough)
2
famine
2
lack
2
paucity
2
scarceness
2
scarcity
2
shortage
1
absence
1
default(respect, regard, right)
1
drought
1
failure
1
imperfection(advantage, enough)
1
incapacity
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APASmart Define. (2016). adequacy thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/adequacy/thesaurus/antonyms
ChicagoSmart Define. 2016. "adequacy thesaurus" https://smartdefine.org/adequacy/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2016, adequacy thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/adequacy/thesaurus/antonyms>.
MLASmart Define. "adequacy thesaurus" 23 March 2016. Web. 28 September 2026. <https://smartdefine.org/adequacy/thesaurus/antonyms>