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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.

The vitamin D deficient group also required more opioid medication.

From Science Daily • May 20, 2026

Being truly deficient in B6 is rare, although sometimes levels can be a bit low, often alongside a lack of other B vitamins, such as B12, which can leave you feeling tired and nauseous.

From BBC • Apr. 22, 2026

I write here, understand, as a deficient moralist.

From The Wall Street Journal • Apr. 3, 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

It seems pointless to maintain that Aristotle and his followers were deficient in common sense, or deficient in experience of how the world goes.

From "The Invention of Science" by David Wootton




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