deficiency

1. The state of needing something that is absent or unavailable (synset 114472871)
   "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"
   is a type of: demand, need - a condition requiring relief
   subtypes:

   • absence - the state of being absent
   • dearth, famine, shortage - an acute insufficiency
   • deficit - a deficiency or failure in neurological or mental functioning
   • mineral deficiency - lack of a mineral micronutrient that is essential for normal nutrition or metabolism
   • shortness - the condition of being short of something
   • stringency, tightness - a state occasioned by scarcity of money and a shortage of credit
   same as: lack, want
2. Lack of an adequate quantity or number (synset 105120433)
   "the inadequacy of unemployment benefits"
   is a type of: amount - the relative magnitude of something with reference to a criterion
   subtypes:

   • exiguity, leanness, meagerness, meagreness, poorness, scantiness, scantness - the quality of being meager
   • deficit, shortage, shortfall - the property of being an amount by which something is less than expected or required
   • scarceness, scarcity - a small and inadequate amount
   • slenderness - the quality of being slight or inadequate
   same as: inadequacy, insufficiency

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