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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

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

The Food and Drug Administration approved leucovorin, a drug the Trump administration has touted as a potential therapy for autism, to treat cerebral folate transport deficiency, a neurological disorder with some symptoms similar to autism.

From The Wall Street Journal • Mar. 10, 2026

“Listen, you two,” Santa said quickly so that Mrs. Reilly would not describe some new', horrible deficiency.

From "A Confederacy of Dunces" by John Kennedy Toole