Definition of inadequacy noun from the Oxford Advanced American Dictionary

      

    inadequacy

     noun
    noun
    NAmE//ɪnˈædəkwəsi//
     
    (pl. inadequacies)
     
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  1. 1 [uncountable] inadequacy (of something) the state of not being enough or good enough the inadequacy of our resources
  2. 2[uncountable] a state of not being able or confident to deal with a situation a feeling/sense of inadequacy
  3. 3[countable, usually plural] inadequacy (of/in something) a weakness; a lack of something gross inadequacies in the data He had to face up to his own inadequacies as a father.
See the Oxford Advanced Learner's Dictionary entry: inadequacy