deficiencies

1. the state of needing something that is absent or unavailableExamples: "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"Synonyms: deficiency, lack, want

2. lack of an adequate quantity or numberExamples: "the inadequacy of unemployment benefits"Synonyms: deficiency, inadequacy, insufficiencyAntonyms: adequacy, sufficiency