An example of deficient is a person who does not have enought iron; the person is iron deficient.
- lacking in some essential; incomplete; defective
- inadequate in amount, quality, or degree; not sufficient
Origin of deficientClassical Latin deficiens: see deficiency
- Lacking an essential quality or element: deficient in common sense.
- Inadequate in amount or degree; insufficient: a deficient education.
Origin of deficientLatin d&emacron;fici&emacron;ns, d&emacron;ficient-, present participle of d&emacron;ficere, to fail, be wanting; see defect.
(comparative more deficient, superlative most deficient)