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Synonyms

sufficiency

American  
[suh-fish-uhn-see] / səˈfɪʃ ən si /

noun

  1. the state or fact of being sufficient; adequacy.

  2. a sufficient number or amount; enough.

  3. adequate provision or supply, especially of wealth.


sufficiency British  
/ səˈfɪʃənsɪ /

noun

  1. the quality or condition of being sufficient

  2. an adequate amount or quantity, as of income

  3. archaic efficiency

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

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Vocabulary lists containing sufficiency

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.

See Examples For:

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

They also reported bigger drops in food sufficiency among adults ages 25 to 44, who tend to be higher-propensity sport bettors compared with other age groups.

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

This dissent highlights genuine legal questions about the sufficiency of evidence and the interpretation of conspiracy laws in the Brazilian context.

From Los Angeles Times ● Sep. 12, 2025

"But the-" They were regarding him gravely, not yet troubled by any doubts about his sufficiency.

From "Lord of the Flies" by William Golding

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