noun (n)

• the state of needing something that is absent or unavailable

  negara bagian memerlukan sesuatu itu tanpa atau tidak tersedia

  Example:
  Water is the critical deficiency in desert regions.
  

  Synonym:
  lack, want
  

  source: wordnet30
• lack of an adequate quantity or number

  kurangnya satu kuantiti mencukupi atau bilangan

  Synonym:
  inadequacy, insufficiency
  Antonym:
  adequacy, sufficiency
  

  source: wordnet30
• The state of being deficient; inadequacy; want; failure; imperfection; shortcoming; defect.

  keadaan menjadi tidak sempurna; inadequacy; ingin; kegagalan; kecacatan; kealpaan; cacat.

  source: webster1913