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Definitions

deficient

[dih-fish-uhnt] / dɪˈfɪʃ ənt /


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.

Vomiting was only reported in the deficient group, although researchers said the difference was too small to be considered statistically significant.

From Science Daily • May 20, 2026

The agreement Barnett reached with LaBeouf “contained a deficient and unlawful NDA that is unenforceable,” under California’s Stand Together Against Non-Disclosure Act, according to the complaint.

From Los Angeles Times • Mar. 26, 2026

Iran, which is an IMO member but does not sit on its council, hit out at the declaration, branding it "one-sided, unfair, inaccurate and legally deficient".

From Barron's • Mar. 19, 2026

“Our animals and us are actually super deficient in light, especially the most healing wavelengths that we have,” says Jackie Jolie, CEO of AnimaSol.

From The Wall Street Journal • Jan. 28, 2026

“No, no, and again no! That is an explanation that will not hold water. It is deficient in a dozen minor points. The crime was not committed so—M. Poirot must know that perfectly well.”

From "Murder on the Orient Express" by Agatha Christie




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