uni·​for·​mi·​ty | \ˌyü-nə-ˈfȯr-mə-tē \
plural uniformities

Definition of uniformity 

1 : the quality or state of being uniform

2 : an instance of uniformity

Examples of uniformity in a Sentence

Recent Examples on the Web

Conformity to the laws of physics does not mean complete biological uniformity. Charles S. Cockell, WSJ, "The Limits of Extra-Terrestrial Freakiness," 7 June 2018 Related hired a bouquet of architects as a hedge against corporate uniformity. Justin Davidson, Daily Intelligencer, "Superhuman City," 18 Apr. 2018 Because the Clean Air Act encourages nationwide uniformity in regulating cars and trucks, California has had to maintain a waiver to implement stricter rules. Kurtis Alexander, SFChronicle.com, "Progress on environment could slow on Supreme Court without Kennedy," 29 June 2018 The transfer working group initially was looking at uniformity across all sports. Ralph D. Russo, chicagotribune.com, "As leagues debate transfer rules, NCAA moves toward reform," 31 May 2018 Hendrickson did say there is a need for more uniformity in standards. Jason Laughlin, Philly.com, "The nation's top highway official talks self driving cars," 28 June 2018 The lack of uniformity means that callers seeking emergency help may sometimes wait an average of 30 seconds as call takers from the county or from the two independent call centers transfer the call to the appropriate channel. Martin Vassolo, miamiherald, "Flawed 911 system ‘absolutely’ affected response to Parkland shooting," 11 July 2018 Normally the Constitution requires uniformity — the federal government can’t make different tax, trade, criminal, or immigration laws for different states or territories. Time Staff, Time, "The 25 Moments From American History That Matter Right Now," 28 June 2018 The Founders did not write the Constitution to impose uniformity on hemp. James Hohmann, Washington Post, "The Daily 202: Trump administration angers vulnerable Republicans with offshore-drilling expansion and marijuana crackdown," 5 Jan. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'uniformity.' 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 uniformity

15th century, in the meaning defined at sense 1

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Last Updated

10 Nov 2018

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Time Traveler for uniformity

The first known use of uniformity was in the 15th century

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English Language Learners Definition of uniformity

: the quality or state of being the same : the quality or state of being uniform or identical


uni·​for·​mi·​ty | \ˌyü-nə-ˈfȯr-mə-tē \
plural uniformities

Kids Definition of uniformity

: the quality or state of being the same in form, manner, appearance, or degree

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