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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Finally, it should also be noted that alcohol consumption can also contribute to magnesium deficiency. Ana Morales, Vogue, 5 Dec. 2024 Where is Sura Ali now? Praised for her quiet confidence, Sura Ali brought her A-game to every challenge on Rhythm + Flow — despite also battling health issues from a vitamin B12 deficiency. Emily Blackwood, People.com, 5 Dec. 2024 Staff Guidance provides an overview of the requirements of QC 1000 and staff guidance for firms about how to comply with the standard, while AS 2901 Staff Guidance addresses responding to engagement deficiencies in an auditor’s report. Kelly Phillips Erb, Forbes, 30 Nov. 2024 If needed, information on applying boron as a nutrient can be obtained by doing a search for boron deficiency in palms. Tom MacCubbin, Orlando Sentinel, 30 Nov. 2024 See all Example Sentences for deficiency 

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 21 Dec. 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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!