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Definitions

deficiency

[dih-fish-uhn-see] / dɪˈfɪʃ ən si /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He attempts to disguise this deficiency with endless boasting about himself and endless denigration of others.

From Salon • Mar. 28, 2026

FDA Commissioner Marty Makary said the approval could help those with cerebral folate transport deficiency “who have developmental delays with autistic features.”

From The Wall Street Journal • Mar. 10, 2026

For people with color vision deficiency, the findings highlight the importance of routine health checks.

From Science Daily • Mar. 10, 2026

On Tuesday the FDA said it was in fact approving use of leucovorin for a rare condition called cerebral folate deficiency but not for autism.

From Barron's • Mar. 10, 2026

Where there are fewer, the deficiency may be remedied by collecting and distributing the baglike cocoons containing the eggs.

From "Silent Spring" by Rachel Carson