uniform

adjective
uni·​form | \ ˈyü-nə-ˌfȯrm \

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

uniform

verb
uniformed; uniforming; uniforms

Definition of uniform (Entry 2 of 4)

transitive verb

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

uniform

noun

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

Uniform

communications code word

Definition of Uniform (Entry 4 of 4)

used as a code word for the letter u

Keep scrolling for more

Other Words from uniform

Adjective

uniformly \ ˈyü-​nə-​ˌfȯrm-​lē , ˌyü-​nə-​ˈfȯrm-​ \ adverb
uniformness \ ˈyü-​nə-​ˌfȯrm-​nəs \ noun

Synonyms & Antonyms for uniform

Synonyms: Adjective

even, invariant, steady, unchanging, undeviating, unvarying, unwavering

Synonyms: Noun

livery, outfit

Antonyms: Adjective

changing, deviating, nonuniform, unsteady, varying

Visit the Thesaurus for More 

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
See More

Recent Examples on the Web: Adjective

Just avoid the Midtown-uniform look and layer a hoodie underneath—not a button-down. Emily Farra, Vogue, "6 Street Style Trends From the Fall 2019 Menswear Shows," 31 Jan. 2019 This data is not uniform, since these are raw numbers across a group of punters who have played a different number of seasons, games and snaps. Jenny Vrentas, SI.com, "Punting Takes a Left Turn," 11 Jan. 2018 Ultra Saber offers incredible uniform brightness with only a single light source. Sam Machkovech, Ars Technica, "Hands-on with a $434 replica lightsaber: May the dork be with you," 25 Dec. 2018 Above all, there is the nearly uniform quality of the boys’ gregarious charm, which would have made them ideal camera subjects even under less emotionally fraught circumstances. Justin Chang, latimes.com, "'Three Identical Strangers' is a riveting account of identical triplets separated at birth," 28 June 2018 High school girl wants to change dress code The Northwest Local School District talks about a uniform dress code for all its secondary schools and parents have not been shy about sharing their concerns. Jennie Key, Cincinnati.com, "Dress ban fires up parents. Northwest district amends proposal.," 13 Feb. 2018 If approved, Florida would join Arizona and Hawaii as states that have exempted themselves from a 1966 law establishing a uniform time across the country. Kim Chatelain, NOLA.com, "Florida poised to remain on Daylight Savings Time year around: report," 8 Mar. 2018 Two other states got approval to exempt themselves from the 1966 federal law that sets a uniform time and yearly schedule for all time zones. Linda Robertson, miamiherald, "Florida wants to tinker with time. Will it be the end of the clock as we know it? | Miami Herald," 8 Mar. 2018 The potential electoral impact of Florida’s ballot initiative is further limited by the fact that the ex-felons who do vote are not politically uniform. Marc Meredith, Vox, "Why letting ex-felons vote probably won’t swing Florida," 2 Nov. 2018

Recent Examples on the Web: Verb

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 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 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

Now the one-time Mariners third baseman will become the third generation of Bell to don a Cincinnati uniform — as the club's 63rd manager. Joe Kay, The Seattle Times, "Family affair: Rebuilding Reds pick David Bell to lead them," 22 Oct. 2018 So when Kate has attended weddings in the past, she's stuck to a sartorial uniform of sorts: a colored coat dress with coordinating accessories. Kara Thompson, Town & Country, "Here's What We Think Kate Middleton Might Wear to Princess Eugenie’s Wedding," 29 Sep. 2018 LOL Observation Only servers in beer halls and restaurants sport dirndls and lederhosen—which like any flight attendant’s garb, are uniforms for work. William Sertl, WSJ, "Brief, Breezy and Foolproof Itineraries to 6 European Cities," 16 Jan. 2019 Bella Hadid channeled her inner Disney princess on November 25, trading her casual crop-top uniform for a ball gown fit for royalty. Zoë Weiner, Teen Vogue, "Bella Hadid's Outfit Was Giving Actual Disney Princess Vibes and I’m Inspired," 27 Nov. 2018 See the vintage uniforms for yourselves on November 16. Kelsey Stiegman, Seventeen, "Fantastic Beasts Costume Designer Says Hogwarts Robes Are Getting a MAJOR Upgrade in the New Movie," 23 Aug. 2018 Contractors that participate in the program will be able to lease blue vans with the Amazon logo stamped on it, buy Amazon uniforms for drivers and get support from Amazon to grow their business. Joseph Pisani, chicagotribune.com, "Move over UPS truck: Amazon delivery vans to hit the street," 28 June 2018 Contractors that participate in the program will be able to lease blue vans with the Amazon logo stamped on it, buy Amazon uniforms for drivers and get support from Amazon to grow their business. Washington Post, "Move over UPS truck: Amazon delivery vans to hit the street," 28 June 2018 Delta Air Lines is about to debut its new uniforms for flight attendants and other employees with designer Zac Posen. Kelly Yamanouchi, ajc, "Delta debuts uniforms in ‘Passport Plum’ with launch Tuesday," 28 May 2018

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.

See More

First Known Use of uniform

Adjective

15th century, in the meaning defined at sense 1

Verb

circa 1681, in the meaning defined at sense 1

Noun

1748, in the meaning defined above

Communications code word

1956, in the meaning defined above

History and Etymology for uniform

Adjective

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

Keep scrolling for more

Learn More about uniform

Statistics for uniform

Last Updated

12 Feb 2019

Look-up Popularity

Time Traveler for uniform

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

See more words from the same century

Keep scrolling for more

More Definitions for uniform

uniform

adjective

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

uniform

noun

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)

uniform

adjective
uni·​form | \ ˈyü-nə-ˌfȯrm \

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.

uniform

noun

Kids Definition of uniform (Entry 2 of 2)

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

uniform

adjective
uni·​form

Legal Definition of uniform

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

Keep scrolling for more

Comments on uniform

What made you want to look up uniform? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to express emotion in a dramatic way

Get Word of the Day daily email!

Test Your Vocabulary

What did you just call me?! A Quiz

  • rows-of-various-emoji
  • If a member of the audience describes your speech as bombastic, does that person mean it is:
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!