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Deficient - Meaning, Definition & English Examples

Deficient means lacking in some necessary quality or element. It describes something that is incomplete, insufficient, or not up to the required standard. For example, a diet deficient in vitamins may cause health problems.

deficient

/dɪˈfɪʃənt/ /dɪˈfɪʃənt/

Definition:

Lacking in some necessary quality or element; insufficient or inadequate.

Synonyms:

inadequate, insufficient, lacking, wanting, incomplete

Part of Speech:

adjective

Antonyms:

sufficient, adequate, abundant

Common Collocations:

deficient in, deficient amount, deficient supply, deficient knowledge, deficient nutrients

Derivatives:

deficiency, deficit, deficiencies

Usage Tips:

Use "deficient" to describe something missing a required element or falling short of a standard.

Common Phrases:

mentally deficient, vitamin deficient, calcium deficient

Etymology:

From Latin "deficiens," meaning failing or lacking, from "de-" (away) + "facere" (to do).

Examples:

  • 1. The soil is deficient in nitrogen for healthy plant growth.
  • 2. Her diet was deficient in essential vitamins and minerals.
  • 3. The report was criticized for being deficient in critical details.
  • 4. His knowledge of history is surprisingly deficient for a teacher.

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