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
b genetics : deletion sense 2b(1)

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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

That little fresh meat is giving me a protein deficiency! Cady Drell, Marie Claire, "This Week in Timothée Chalamet, July 12 Edition," 12 July 2019 The decision was due to accounts payable, deficit fund balances and a treasury deficiency. Rachel Berry, Cincinnati.com, "Clermont County village placed in fiscal emergency," 20 June 2019 Scientific studies of the evidence that survived showed that pneumonia, tuberculosis, lead poisoning, or a zinc deficiency contributed to the high death toll, along with hypothermia and starvation. Jennifer Ouellette, Ars Technica, "Evil shapeshifters stalk by night in first trailer for AMC’s The Terror: Infamy," 20 June 2019 Didion was at once fiercely defensive of America and acutely aware of its deficiencies. Mary Spencer, National Review, "What Joan Didion Saw," 29 June 2019 The consolation is that the Yankees’ offense has done more than enough to make up for any pitching deficiencies lately. Bob Klapisch, New York Times, "Yankees Hold Off Complacency, and Blue Jays, to Secure Sweep," 26 June 2019 But the many droll and stylish scenes make up for those deficiencies. Celia Wren, Washington Post, "Angst and comedy among the Olympians in ‘Pantheon’," 24 June 2019 Alpine also has been cited for the second-most deficiencies in the state. Sam Tabachnik, The Denver Post, "These Colorado nursing homes were poorly rated and eligible for federal oversight. Until this week, nobody knew.," 13 June 2019 Photo: Kristoffer Tripplaar/Sipa USA/Associated Press A Food and Drug Administration inspection of a MiMedx facility in February 2016 identified 13 deficiencies, including for purity and sterility, in the company’s micronized product manufacturing. Gretchen Morgenson, WSJ, "VA Bans Injectable Wound-Care Products From MiMedx and Other Companies for Many Uses," 14 June 2019

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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Statistics for deficiency

Last Updated

18 Jul 2019

Look-up Popularity

Time Traveler for deficiency

The first known use of deficiency was in 1603

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More Definitions for deficiency

deficiency

noun

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
2 : deletion

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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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