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 Uniform (audio) , ˌyü-​nə-​ˈfȯrm-​ \ adverb
uniformness \ ˈyü-​nə-​ˌfȯrm-​nəs How to pronounce Uniform (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 Tax burdens aren’t uniform across the United States. Washington Examiner, "New Jersey’s tax burden ranks 7th in country, according to new analysis," 6 Apr. 2021 Temperatures should be pretty uniform during this stretch, with highs near 60 and lows near 50. Washington Post, "D.C.-area forecast: Very nice weather starts off this week, but rainy at times during the second half," 5 Apr. 2021 The answer to this is: No, the violence in Mexico is not uniform. Chuck Bolotin, Forbes, "What A Very Interesting Drawing Can Tell Us About What It’s Like To Live In Mexico As An Expat," 4 Apr. 2021 Twisting the hair before cutting will give it slightly more volume because the ends won’t be entirely uniform. Stephanie Jarrett, chicagotribune.com, "How to cut a boy’s hair at home," 2 Apr. 2021 And changing prices are unlikely to be geographically uniform, as countries update their policies one by one. Sam Kemmis, USA TODAY, "Flight, hotel prices set to take off as more people get vaccinated against COVID-19," 1 Apr. 2021 There were no stray hairs, and the line was completely uniform. Kai Burkhardt, CNN Underscored, "The best beard trimmers of 2021," 26 Mar. 2021 Reproduction rate is not uniform and may vary across regions. USA Today, "Why more transmissible variants of COVID-19 can be as worrisome as more deadly ones," 18 Mar. 2021 While iBuyers have focused on markets such as Phoenix and Las Vegas, where real estate is somewhat uniform and moderately priced, Compass targets more affluent cities such as San Francisco, New York and Los Angeles. Laura Forman, WSJ, "Compass Listing Is Worth a Tour," 11 Mar. 2021 Recent Examples on the Web: Verb This is, after all, the nearly uniform color scheme of the nation’s traffic lights and road signs. New York Times, "The Unmitigated Chaos of America’s Attempt at Color-Coded Covid Guidance," 2 Apr. 2021 Their approach to that task was anything but uniform from game to game and from crew to crew. Rick Armstrong, chicagotribune.com, "Column: For East Aurora’s Amarion Savage, the last dance might not have been the best dance. But it was well worth getting out on the floor.," 17 Mar. 2021 Office of Management and Budget nominee Neera Tanden's confirmation is in jeopardy due to uniform opposition from Republicans, who cite her litany of tweets slamming members of Congress as conduct unbecoming of an OMB director. Carly Roman, Washington Examiner, "GOP attorneys general call on Biden to withdraw nominee for associate attorney general," 1 Mar. 2021 London said the state could help by providing clear, easy-to-read information for the community — something the disabilities council has begun doing on its own — and making the eligibility guidelines uniform across all 24 jurisdictions. John-john Williams Iv, baltimoresun.com, "They are prioritized for COVID vaccines. But some Marylanders with disabilities still facing access hurdles.," 24 Feb. 2021 Can uniform stupidity actually cost a team in the standings? Bruce Jenkins, San Francisco Chronicle, "How A's went from 'they're done' to 'they've done it again' in a few weeks," 19 Feb. 2021 The Waltham Police Department has dramatically increased its downtown patrol presence in both uniform and in plainclothes, in vehicles and on foot. Kerry Feltner, USA TODAY, "Police search for attacker in string of 10 unprovoked assaults in Massachusetts suburb," 2 Dec. 2020 Though, the league will likely have its tinsel in a tangle due to Kamara’s footwear, as his Christmas-themed custom kicks aren’t up to uniform code. Amie Just | Staff Writer, NOLA.com, "Alvin Kamara goes ballistic on Christmas and Saints clinch NFC South (again); here's how," 25 Dec. 2020 Harsin had a photo of Jackson in a Los Angeles Raiders uniform on his computer screen in anticipation of the visit, but actually seeing the legendary two-sport star sitting in his office was something else entirely. Tom Green | Tgreen@al.com, al, "The lesson new Auburn coach Bryan Harsin learned from Bo Jackson while at Boise State," 28 Dec. 2020 Recent Examples on the Web: Noun Captain America fans have been hating John Walker’s Captain America since the first The Falcon and the Winter Soldier teasers that showed someone other than Sam Wilson (Anthony Mackie) was wearing the uniform and the shield. Chris Smith, BGR, "‘Falcon and the Winter Soldier’ fans hate the new Cap for all the wrong reasons," 9 Apr. 2021 Walker, a second-generation police officer, has been wearing the uniform since 2003. Jake Dima, Washington Examiner, "'Horrific murder': Texas trooper dies after being shot at traffic stop," 31 Mar. 2021 He was described as Black, 5 foot 8, about 160 pounds and wearing a UPS uniform. Christine Dempsey, courant.com, "Man in UPS uniform robs Manchester store at gunpoint, police say," 29 Mar. 2021 Behind the photograph: My first idea was to have Ibtihaj wearing a fencing uniform. Los Angeles Times, "Celebrating Women Photographers: Christina House," 26 Mar. 2021 Drake also gets the bonus of wearing the Raiders’ uniform. Mark Inabinett | Minabinett@al.com, al, "Josh Jacobs, Jon Gruden draw Kenyan Drake to Las Vegas," 20 Mar. 2021 As well as his ID cards, Tha Peng showed an undated photograph of him wearing a Myanmar police uniform. Reuters, CNN, "Myanmar police who fled to India say they refused orders to shoot protesters," 11 Mar. 2021 Seeing photos of Houston sports stars wearing another uniform is scarring, but unfortunately, there’s a long line of such photos. Matt Young, Chron, "Photos that will make Houston sports fans' eyes bleed," 4 Mar. 2021 The accused was wearing a blue prison uniform that was soiled with urine. Ben Mauk, The New Yorker, "Inside Xinjiang’s Prison State," 27 Feb. 2021

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

11 Apr 2021

Cite this Entry

“Uniform.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/uniform. Accessed 22 Apr. 2021.

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More Definitions for uniform



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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