1. deficiency - noun
· 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. deficiency - noun
· lack of an adequate quantity or number; "the inadequacy of unemployment benefits"
Synonym(s): insufficiency, inadequacy
Hypernym(s): amount
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