sufficiency
Americannoun
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the state or fact of being sufficient; adequacy.
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a sufficient number or amount; enough.
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adequate provision or supply, especially of wealth.
noun
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the quality or condition of being sufficient
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an adequate amount or quantity, as of income
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archaic efficiency
Other Word Forms
Etymology
Origin of sufficiency
1485–95; < Late Latin sufficientia; see sufficient, -ency
Explanation
A sufficiency is an adequate amount of something. Before a winter storm, you should probably make sure you have a sufficiency of food stored in your house. The noun sufficiency means the quality of being enough, adequate, or sufficient. Due to financial constraints, your local school district may be willing to settle for educational sufficiency, but hopefully you will hold the district to a higher standard than offering merely an adequate education to students. The opposite of sufficiency is insufficiency, meaning an inadequate amount. Of the two, you will likely hear insufficiency more often than sufficiency in conversation.
Vocabulary lists containing sufficiency
Skellig
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The Classical Period, c. 600 BCE to c. 600 CE
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2.1: Classical Empires in East Asia (Sources 1–8)
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Hearn’s team had already asked the presiding judge to release transcripts from the grand jury proceedings, saying testimony from the government’s sole witness before the panel raises questions about the sufficiency of the evidence presented.
From The Wall Street Journal ● Aug. 3, 2026
And they noticed a cyclical spike in lower food sufficiency during the NFL season.
From MarketWatch ● Jun. 10, 2026
She said that decision had been made after the prosecution "reconsidered the sufficiency of the evidence" in relation to the charge.
From BBC ● Feb. 18, 2026
"I'm a sleep physiologist who understands the health benefits of sleep, but the strength of the association between sleep sufficiency and life expectancy was remarkable to me."
From Science Daily ● Jan. 10, 2026
Almost any exhibition of complete self sufficiency draws a stunned tribute from me.
From " The Great Gatsby" by F. Scott Fitzgerald
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
