as in shortage
a falling short of an essential or desirable amount or number
there is a deficiency of fresh food in the diet of many of the working poor
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Recent Examples of deficiency
Ludwig also noted that the earlier recommendation was the minimum amount needed to prevent protein deficiency and said higher amounts of protein might be beneficial.
—
Jonel Aleccia, Chicago Tribune, 7 Jan. 2026
However, several nutrition experts said protein deficiencies aren’t a concern.
—Aria Bendix, NBC news, 7 Jan. 2026
The deficiency can cause problems with wound healing, slow growth, loss of taste and smell, and cognitive issues.
—Jamie Johnson, Verywell Health, 6 Jan. 2026
Extreme or highly restrictive diets often cause nutrient deficiencies, metabolic slowdown, and other harmful side effects.
—Jillian Kubala, Health, 6 Jan. 2026
See All Example Sentences for deficiency
Recent Examples of Synonyms for deficiency
Noun
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Wagner said the shortages of equipment and staff will have a lasting impact on rebuilding in his community.—
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Sale speculation has surrounded Puma since last September, and there’s been no shortage on who could be buyers for the German sportswear brand.—
Noun
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Dead drummer Mickey Hart said at one point legendary concert promoter Bill Graham vented to him about the lack of catchy songs.—
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The first indicator is oftentimes a lack of water flow from faucets when the weather is extremely cold.—
Cite this Entry
“Deficiency.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/deficiency. Accessed 13 Jan. 2026.
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