uni·​form | \ ˈyü-nə-ˌfȯrm How to pronounce uniform (audio) \

Definition of uniform

 (Entry 1 of 4)

1 : having always the same form, manner, or degree : not varying or variable uniform procedures
2 : consistent in conduct or opinion uniform interpretation of laws
3 : of the same form with others : conforming to one rule or mode : consonant
4 : presenting an unvaried appearance of surface, pattern, or color uniform red brick houses
5 : relating to or being convergence of a series whose terms are functions in such manner that the absolute value of the difference between the sum of the first n terms of the series and the sum of all terms can be made arbitrarily small for all values of the domain of the functions by choosing the nth term sufficiently far along in the series


uniformed; uniforming; uniforms

Definition of uniform (Entry 2 of 4)

transitive verb

1 : to bring into uniformity
2 : to clothe with a uniform



Definition of uniform (Entry 3 of 4)

: dress of a distinctive design or fashion worn by members of a particular group and serving as a means of identification broadly : distinctive or characteristic clothing


communications code word

Definition of Uniform (Entry 4 of 4)

used as a code word for the letter u

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Other Words from uniform


uniformly \ ˈyü-​nə-​ˌfȯrm-​lē How to pronounce uniformly (audio) , ˌyü-​nə-​ˈfȯrm-​ \ adverb
uniformness \ ˈyü-​nə-​ˌfȯrm-​nəs How to pronounce uniformness (audio) \ noun

Synonyms & Antonyms for uniform

Synonyms: Adjective

Synonyms: Noun

Antonyms: Adjective

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Examples of uniform in a Sentence

Adjective The museum is kept at a uniform temperature to protect the artifacts. All departments have uniform training standards. Noun the band uniform was brown with red and white stripes
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Recent Examples on the Web: Adjective Even health care in Britain, despite the country’s universal, socialized system, is not uniform. Tom Mctague, The Atlantic, "The Meaning of Boris Johnson’s Illness," 27 Mar. 2020 The bar association’s letter acknowledged the efforts of some courts but called for a uniform response from all courts. Cory Shaffer, cleveland, "Cleveland Metropolitan Bar Association calls for temporary halt to all 'non-essential’ court hearings amid coronavirus concerns," 16 Mar. 2020 Despite coach Rick Carlisle being hopeful Michael Kidd-Gilchrist would be in uniform Wednesday, the Mavericks’ mid-season free-agent addition was inactive against the Kings. Callie Caplan, Dallas News, "Michael Kidd-Gilchrist sits out vs. Kings, will make Mavericks debut after All-Star break," 13 Feb. 2020 Running back Jermar Jefferson has changed uniform numbers, from 22 to 6. oregonlive, "Oregon State spring football: Who’s in, who’s out, fewer padded practices, improvement emphasis, quarterback derby," 27 Feb. 2020 The lack of uniform rules opens the process to ethical risks, said Christi Guerrini, an assistant professor in the Center for Medical Ethics and Health Policy at the Baylor College of Medicine. NBC News, "'They lied to us': Mom says police deceived her to get her DNA and charge her son with murder," 22 Feb. 2020 The best game in years capped a sparkling All-Star Weekend that served as a tribute to the late Kobe Bryant (24 was one of his uniform numbers and the target fourth quarter score). Gary Washburn, BostonGlobe.com, "Elam Ending revitalizes NBA All-Star Game," 17 Feb. 2020 Under the Supremacy and Commerce clauses of the U.S. Constitution, uniform rules should apply in all 50 states, Highberger wrote. Carolyn Said, SFChronicle.com, "California judge rules gig law does not apply to truck drivers," 9 Jan. 2020 Five other parties won seats, offering different manifestos but uniform devotion to the great man. The Economist, "Tajikistan’s long-serving ruler dispenses with all political opposition," 5 Mar. 2020 Recent Examples on the Web: Verb The First World War’s demands for uniforming the men would likewise produce unprecedented data on the physical dimensions of the typical American man. Dan Mclaughlin, National Review, "America’s Veterans, Then and Now," 11 Nov. 2019 The guard uniforms the two were wearing were made in the prison. Fox News, "Convicted killer serving life escapes from Arkansas prison, could still be on grounds: official," 1 Oct. 2019 The model, actress, and designer also shared her go-to uniform for date night with her husband, Sebastian Bear-McClard. Nicole Saunders, Harper's BAZAAR, "Emily Ratajkowski's Summer Style Muse Is Princess Diana," 17 Apr. 2019 Still, enforcement may not be uniform across the state until the federal regulations are clarified. . Meredith Clark, Marie Claire, "Is CBD Even Legal Where You Live?," 12 Apr. 2019 The simple combo has become a go-to uniform for the monarch, who opted for a graphic take by Hugo Boss for an awards ceremony and a soothing blue palette for a speech at IESE Business School. Edward Barsamian, Vogue, "Queen Letizia Is a Wardrobe Repeater in Her New Royal Uniform," 3 July 2018 When the players reconvene for training camp at the end of July, the striping will be once again be uniform across the locker room. Jim Owczarski, Cincinnati.com, "Cincinnati Bengals Xtra: New helmets and a supplemental steal?," 10 June 2018 Coral colonies and sponges — typically uniform in color — were mottled and grayish, while some sections looked shriveled and sunken. Alex Stuckey, San Antonio Express-News, "Poor water quality after Harvey could hurt Flower Garden Banks off Texas shore," 9 Jan. 2018 Coral colonies and sponges — typically uniform in color — were mottled and grayish, while some sections looked shriveled and sunken. Alex Stuckey, San Antonio Express-News, "Poor water quality after Harvey could hurt Flower Garden Banks off Texas shore," 9 Jan. 2018 Recent Examples on the Web: Noun The uniforms were the same, too – at least on MSU’s side, as the Spartans wore their 2000-season throwbacks onto the Staples Center court. Ryan Ford, Detroit Free Press, "The 2020 NCAA tournament that could have been: Return to Elite status for Michigan State?," 21 Mar. 2020 These days, the turtleneck has become a go-to no-nonsense uniform for those who want to be taken seriously. Marlen Komar, TheWeek, "How the turtleneck became a symbol of power," 27 Feb. 2020 Dover Air Force Base, Delaware — President Trump traveled here Monday to pay respects to two U.S. soldiers killed Saturday in Afghanistan when a soldier dressed in an Afghan army uniform opened fire with a machine gun. CBS News, "Trump, Pence attend dignified transfer of 2 slain U.S. troops," 11 Feb. 2020 The 600 employees involved were demanding higher pay as well as guaranteed compensation for workers’ use of bikes, uniforms, and smartphones. Michelle Cheng, Quartz, "Regulators around the world are coming for the gig economy," 28 Feb. 2020 The American sergeants mourned at Dover Air Force Base were killed by an Afghan soldier whose uniform, salary and M249 light machine gun were paid for by the United States. Mujib Mashal, New York Times, "As Afghan Soldier Kills 2 Americans, Peace Talks Forge Ahead," 17 Feb. 2020 The number of deaths occurring in each state is not uniform across the U.S., even in percentage terms. Steven Barrett, The Conversation, "The secondhand smoke you’re breathing may have come from another state," 12 Feb. 2020 The Mamba Sports Academy, in which Kobe Bryant was a partner, posted a picture of a new logo that will be worn as a patch on Team Mamba's youth team uniforms in commemoration of the basketball coaches and team members killed in the crash. Sarah Moon And Steve Almasy, CNN, "Vanessa Bryant posts love for daughter as Mamba academy debuts image of commemorative patch," 5 Feb. 2020 The coach texted Robinson a link to order uniforms, shoes, ribbons and a special backpack. Wendi C. Thomas, ProPublica, "What It Looks Like When a Hospital We Investigated Erases $11.9 Million in Medical Debt," 24 Dec. 2019

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


15th century, in the meaning defined at sense 1


circa 1681, in the meaning defined at sense 1


1748, in the meaning defined above

Communications code word

1956, in the meaning defined above

History and Etymology for uniform


Middle English uniforme, from Middle French, from Latin uniformis, from uni- + -formis -form

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Time Traveler for uniform

Time Traveler

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

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Statistics for uniform

Last Updated

8 Apr 2020

Cite this Entry

“Uniform.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/uniform. Accessed 8 Apr. 2020.

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More Definitions for uniform


How to pronounce Uniform (audio)

English Language Learners Definition of uniform

 (Entry 1 of 2)

: not varying or changing : staying the same at all times, in all places, or for all parts or members



English Language Learners Definition of uniform (Entry 2 of 2)

: a special kind of clothing that is worn by all the members of a group or organization (such as an army or team)


uni·​form | \ ˈyü-nə-ˌfȯrm How to pronounce uniform (audio) \

Kids Definition of uniform

 (Entry 1 of 2)

: always the same in form, manner, appearance, or degree throughout or over time a uniform temperature uniform procedures

Other Words from uniform

uniformly adverb The trees are uniformly spaced.



Kids Definition of uniform (Entry 2 of 2)

: special clothing worn by members of a particular group (as an army)



Legal Definition of uniform

: of, relating to, or based on a uniform act

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