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Word of the Day Tuesday, June 9, 2026

deficiency

/dɪˈfɪʃənsi/ noun · British & US
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What does deficiency mean?

noun

A lack or insufficiency of something, such as a nutrient or a skill. A deficiency can be a medical condition or a personal failing.

Example

"The doctor warned the patient about the dangers of a vitamin deficiency."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for deficiency

Antonyms of deficiency

Rhymes with deficiency

Etymologically related