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Noun: inadequacy  in'a-di-kwu-see
  1. Lack of an adequate quantity or number
    "the inadequacy of unemployment benefits";
    - insufficiency, deficiency
  2. A lack of competence
    "juvenile offences often reflect an inadequacy in the parents";
    - insufficiency
  3. Unsatisfactoriness by virtue of being inadequate
    - inadequateness

Derived forms: inadequacies

Type of: amount, disadvantage, failing, minus, unsatisfactoriness, weakness

Antonym: adequateness