deficiency

noun
de·​fi·​cien·​cy | \ di-ˈfi-shən-sē How to pronounce deficiency (audio) \
plural deficiencies

Definition of deficiency

1 : the quality or state of being defective or of lacking some necessary quality or element : the quality or state of being deficient : inadequacy suffers from a deficiency of critical thinking
2 : an amount that is lacking or inadequate : shortage staffing deficiencies : such as
a : a shortage of substances necessary to health a vitamin C deficiency hormone deficiencies

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Examples of deficiency in a Sentence

The disease may be caused by nutritional deficiencies. The book's major deficiency is its poor plot. a deficiency of vitamin C There are several deficiencies in his plan. The accident was caused by deficiencies in the engine.
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Recent Examples on the Web The main driver of teen sleep deficiency is the early start times of U.S. high schools, which are totally unaligned with teens’ natural circadian rhythms. Rachel Widome And Aaron Berger, Star Tribune, "Seize the opportunity of virtual schooling — let our children sleep," 27 Aug. 2020 But that comes with experience, which is Mayfield’s primary deficiency. Rainer Sabin, Detroit Free Press, "Why Michigan football star's decision to go pro is 'very risky move'," 20 Aug. 2020 Pueblo Springs did not return a call seeking comment, though the inspection report notes the deficiency has been corrected. Anne Ryman, The Arizona Republic, "Feds cited 1 in 4 Arizona nursing homes during the coronavirus pandemic," 11 Sep. 2020 No one knew then what caused these patients’ immune deficiency. Jerome Groopman, The New York Review of Books, "Lessons from the Worst Years of AIDS," 8 Sep. 2020 Heat, nutrient deficiency, or some other stressor is upon it. Tamar Adler, The New Yorker, "The Culinary Potential of Bolting Vegetables," 5 Sep. 2020 What was a classic change of scenery trade at the time that dealt from an Orioles surplus and addressed a deficiency of high-minors pitching depth looks a lot different now. Jon Meoli, baltimoresun.com, "With trade deadline looming for Orioles, here’s what we can learn from Mike Elias’ moves so far," 25 Aug. 2020 Washing and drying the mask may further decrease its deficiency. USA Today, "Cotton mask or neck fleece? Check out how effective different kinds of masks are," 16 Aug. 2020 In other words, more zinc isn’t better, and as noted, some of the risks associated with excess zinc are similar to those of a zinc deficiency. Cynthia Sass, Rd, Health.com, "Zinc Supplements: What to Know if You're Thinking of Taking Them," 24 June 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'deficiency.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of deficiency

1603, in the meaning defined at sense 1

History and Etymology for deficiency

defici(ent) entry 1 + -ency

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Learn More about deficiency

Time Traveler for deficiency

Time Traveler

The first known use of deficiency was in 1603

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Statistics for deficiency

Last Updated

25 Sep 2020

Cite this Entry

“Deficiency.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deficiency. Accessed 1 Oct. 2020.

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More Definitions for deficiency

deficiency

noun
How to pronounce deficiency (audio)

English Language Learners Definition of deficiency

: a lack of something that is needed : the state of not having enough of something necessary
: a problem in the way something is made or formed

deficiency

noun
de·​fi·​cien·​cy | \ di-ˈfi-shən-sē How to pronounce deficiency (audio) \
plural deficiencies

Kids Definition of deficiency

: the condition of being without something necessary and especially something required for health a vitamin deficiency

deficiency

noun
de·​fi·​cien·​cy | \ di-ˈfish-ən-sē How to pronounce deficiency (audio) \
plural deficiencies

Medical Definition of deficiency

1 : a shortage of substances (as vitamins) necessary to health

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deficiency

noun
de·​fi·​cien·​cy | \ di-ˈfi-shən-sē How to pronounce deficiency (audio) \
plural deficiencies

Legal Definition of deficiency

: an amount that is lacking or inadequate: as
a : the difference between the amount of tax owed and the amount of tax paid
b : the difference between the amount owed under a security agreement and the amount the creditor is able to recover upon default of the debtor by selling the collateral

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Comments on deficiency

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