Definitions for deficientdɪˈfɪʃ ənt

This page provides all possible meanings and translations of the word deficient

Random House Webster's College Dictionary

de•fi•cientdɪˈfɪʃ ənt(adj.)

  1. lacking some element or characteristic; defective.

  2. inadequate.

  3. (n.)one who is deficient, esp. one who is mentally defective.

    Category: Common Vocabulary

Origin of deficient:

1575–85; < L dēficient-, s. of dēficiēns, prp. of dēficere to fail, weaken


Princeton's WordNet

  1. deficient, lacking(p), wanting(p)(adj)

    inadequate in amount or degree

    "a deficient education"; "deficient in common sense"; "lacking in stamina"; "tested and found wanting"

  2. insufficient, deficient(adj)

    of a quantity not able to fulfill a need or requirement

    "insufficient funds"

  3. deficient, inferior, substandard(adj)

    falling short of some prescribed norm

    "substandard housing"

Kernerman English Learner's Dictionary

  1. deficient(adjective)ɪˈfɪʃ ənt

    having a deficiency

    His blood is deficient in iron.


  1. deficient(Adjective)

    Lacking something essential; often construed with in.

  2. deficient(Adjective)

    Insufficient or inadequate in amount.

  3. Origin: From deficiens, present participle of deficere; see defect.

Webster Dictionary

  1. Deficient(adj)

    wanting, to make up completeness; wanting, as regards a requirement; not sufficient; inadequate; defective; imperfect; incomplete; lacking; as, deficient parts; deficient estate; deficient strength; deficient in judgment

Translations for deficient

Kernerman English Multilingual Dictionary


lacking in what is needed

Their food is deficient in vitamins.

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