A lot of thesaurus - A little bit dictionary

'deficiency'

Overview of noun deficiency
1. lack, deficiency, want -- (the state of needing something that is absent or unavailable; "there is a serious lack of insight into the problem"; "water is the critical deficiency in desert regions"; "for want of a nail the shoe was lost")

2. insufficiency, inadequacy, deficiency -- (lack of an adequate quantity or number; "the inadequacy of unemployment benefits")



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