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- Dictionarydeficient/dɪˈfɪʃ(ə)nt/
adjective
- 1. not having enough of a specified quality or ingredient: "this diet is deficient in vitamin B"
- 2. having an intellectual disability. dated, offensive
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lacking or not good enough: A diet that is deficient in protein is harmful to children.
The meaning of DEFICIENT is lacking in some necessary quality or element. How to use deficient in a sentence.
Deficient definition: lacking some element or characteristic; defective. See examples of DEFICIENT used in a sentence.
Deficient means not enough or not adequate. Maybe you were deficient in caffeine that day. Maybe you were lacking in study time. But no doubt about it: you came up with a deficient number of correct answers on the physics test.
Define deficient. deficient synonyms, deficient pronunciation, deficient translation, English dictionary definition of deficient. adj. 1. Lacking an essential quality or element: deficient in common sense. 2. Inadequate in amount or degree; insufficient: a deficient education....
adjective. us / dɪˈfɪʃ. ə nt / uk / dɪˈfɪʃ. ə nt / Add to word list. not having enough of: deficient in A diet deficient in vitamin D may cause the disease rickets. not good enough: His theory is deficient in several respects. SMART Vocabulary: related words and phrases. Scarce, inadequate and not enough. be at a premium idiom.
If someone or something is deficient in a particular thing, they do not have the full amount of it that they need in order to function normally or work properly.
