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ENGLISH · A WORD WITH POSSIBILITIES

deficiency.

Inadequacy or incompleteness.

10 characters4 syllables approx.English language

Meaning & usage

noun/dɪˈfɪʃənsi/
  1. Inadequacy or incompleteness.

    uncountable
  2. An insufficiency, especially of something essential to health.

    countable
  3. The amount by which the number of double points on a curve is short of the maximum for curves of the same degree.

    countable · uncountable
  4. The codimension of a linear system in the corresponding complete linear system.

    countable · uncountable
Where this word comes from

From deficient + -cy. Compare Latin dēficientia.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.