1

deficient

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adjective de·fi·cient \di-ˈfi-shənt\

Definition of deficient

  1. 1 :  lacking in some necessary quality or element deficient in judgment bones deficient in calcium

  2. 2 :  not up to a normal standard or complement (see 1complement 1b) :  defective deficient strength … rusted and aging pipes … abetted by deficient maintenance and sabotage. — Adam Nossiter

deficiently

adverb

Examples of deficient in a sentence

  1. Several bridges in the city are structurally deficient.

  2. a diet deficient in calcium can lead to weak bones

Origin and Etymology of deficient

Latin deficient-, deficiens, present participle of deficere to be wanting — more at defect


First Known Use: 1581


2

deficient

noun de·fi·cient

Definition of deficient

  1. :  a person or thing that is deficient a mental deficient

Origin and Etymology of deficient

see 1deficient


First Known Use: 1906


DEFICIENT Defined for English Language Learners

1

deficient

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adjective de·fi·cient \di-ˈfi-shənt\

Definition of deficient for English Language Learners

  • : not having enough of something that is important or necessary

  • : not good enough : not as good as others


DEFICIENT Defined for Kids

deficient

play
adjective de·fi·cient \di-ˈfi-shənt\

Definition of deficient for Students

  1. :  lacking something necessary for completeness or health Her diet is deficient in proteins.


Medical Dictionary

1

deficient

play
adjective de·fi·cient \di-ˈfish-ənt\

Medical Definition of deficient

  1. 1:  lacking in some necessary quality or element a deficient diet

  2. 2:  not up to a normal standard or complement deficient strength

  3. 3:  having, relating to, or characterized by a genetic deletion


2

deficient

noun de·fi·cient

Medical Definition of deficient

  1. :  one that is deficient a mental deficient



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