deficiency

noun de·fi·cien·cy \ di-ˈfi-shən-sē \

Definition of deficiency

plural deficiencies
1 :the quality or state of being defective or of lacking some necessary quality or element :the quality or state of being deficient :inadequacy
  • suffers from a deficiency of critical thinking
2 :an amount that is lacking or inadequate :shortage
  • staffing deficiencies
: such as
a :a shortage of substances necessary to health
  • a vitamin C deficiency
  • hormone deficiencies
b genetics :deletion 2b(1)

Examples of deficiency in a Sentence

  1. The disease may be caused by nutritional deficiencies.

  2. The book's major deficiency is its poor plot.

  3. a deficiency of vitamin C

  4. There are several deficiencies in his plan.

  5. The accident was caused by deficiencies in the engine.

Recent Examples of deficiency from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'deficiency.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of deficiency


DEFICIENCY Defined for English Language Learners

deficiency

noun

Definition of deficiency for English Language Learners

  • : a lack of something that is needed : the state of not having enough of something necessary

  • : a problem in the way something is made or formed


DEFICIENCY Defined for Kids

deficiency

noun de·fi·cien·cy \ di-ˈfi-shən-sē \

Definition of deficiency for Students

plural deficiencies
:the condition of being without something necessary and especially something required for health
  • a vitamin deficiency

Medical Dictionary

deficiency

noun de·fi·cien·cy \ di-ˈfish-ən-sē \

medical Definition of deficiency

plural deficiencies
1 :a shortage of substances (as vitamins) necessary to health

Law Dictionary

deficiency

noun de·fi·cien·cy \ di-ˈfi-shən-sē \

legal Definition of deficiency

plural deficiencies
:an amount that is lacking or inadequate: as
a :the difference between the amount of tax owed and the amount of tax paid
b :the difference between the amount owed under a security agreement and the amount the creditor is able to recover upon default of the debtor by selling the collateral


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