deficiency

noun

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

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.
Recent Examples on the Web Types of Enzyme Deficiencies There are thousands of enzyme deficiencies. Kelly Burch Published, Verywell Health, 22 Oct. 2024 But his lack of aggressiveness around the rim — even when paired against a mismatch as severe as Kawamura — suggests that the Bulls could be dealing with the same deficiencies from Williams again. Julia Poe, Chicago Tribune, 13 Oct. 2024 The lender will also need permission from the OCC to open new branches or offer new products and must set up a US office dedicated to rectifying its deficiencies. Christine Dobby, Fortune, 10 Oct. 2024 With both losses coming in close games, however, the most glaring deficiency is the offense’s ineffectiveness in key situations. Thuc Nhi Nguyen, Los Angeles Times, 7 Oct. 2024 See all Example Sentences for deficiency 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'deficiency.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1603, in the meaning defined at sense 1

Time Traveler
The first known use of deficiency was in 1603

Dictionary Entries Near deficiency

Cite this Entry

“Deficiency.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deficiency. Accessed 31 Oct. 2024.

Kids Definition

deficiency

noun
de·​fi·​cien·​cy di-ˈfish-ən-sē How to pronounce deficiency (audio)
plural deficiencies
1
: the quality or state of being deficient
2
: the quality or state of being inadequate
especially : a shortage of substances necessary to health

Medical Definition

deficiency

noun
de·​fi·​cien·​cy di-ˈfish-ən-sē How to pronounce deficiency (audio)
plural deficiencies
1
: a shortage of substances (as vitamins) necessary to health
2

Legal Definition

deficiency

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

More from Merriam-Webster on deficiency

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