Antonyms of noun adequacy

2 senses of adequacy

Sense 1
adequacy, adequateness -- (the quality of being able to meet a need satisfactorily: "he questioned the adequacy of the usual sentimental interpretation of the Golden Rule")
       Antonym of inadequacy (Sense 3)
      => inadequacy, inadequateness -- (unsatisfactoriness by virtue of being inadequate)

Sense 2
sufficiency, adequacy -- (the quality of being sufficient for the end in view; "he questioned the sufficiency of human intelligence")
       Antonym of inadequacy (Sense 1)
      => insufficiency, inadequacy, deficiency -- (lack of an adequate quantity or number; "the inadequacy of unemployment benefits")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun adequacy

2 senses of adequacy

Sense 1
adequacy, adequateness -- (the quality of being able to meet a need satisfactorily: "he questioned the adequacy of the usual sentimental interpretation of the Golden Rule")
       => satisfactoriness -- (the quality of giving satisfaction sufficient to meet a demand or requirement)

Sense 2
sufficiency, adequacy -- (the quality of being sufficient for the end in view; "he questioned the sufficiency of human intelligence")
       => quality -- (an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare)