an identifying outfit or style of dress worn by the members of a given profession, organization, or rank.
a word used in communications to represent the letter U.

verb (used with object)

to make uniform or standard.
to clothe in or furnish with a uniform.

Origin of uniform

1530–40; < Latin ūnifōrmis (adj.), equivalent to ūni- uni- + -fōrmis -form
Related formsu·ni·form·ly, adverbu·ni·form·ness, nounnon·u·ni·form, adjectiveself-u·ni·form, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for uniform

Contemporary Examples of uniform

Historical Examples of uniform

  • The hearth bore a uniform appearance, and did not seem to have been tampered with.

    Brave and Bold

    Horatio Alger

  • These laws are general and their administration should be uniform and equal.

  • She was young and strong, and surely a pair of willing hands—that was absurd about the uniform.


    Mary Roberts Rinehart

  • He has marched with his fellows to the dept, and got his uniform and arms.

  • Make it so's he can wear his uniform and a cocked hat and a sword.

    The Foolish Lovers

    St. John G. Ervine

British Dictionary definitions for uniform



a prescribed identifying set of clothes for the members of an organization, such as soldiers or schoolchildren
a single set of such clothes
a characteristic feature or fashion of some class or group
informal a police officer who wears a uniform


unchanging in form, quality, quantity, etc; regulara uniform surface
identical; alike or likea line of uniform toys

verb (tr)

to fit out (a body of soldiers, etc) with uniforms
to make uniform
Derived Formsuniformly, adverbuniformness, noun

Word Origin for uniform

C16: from Latin ūniformis, from ūnus one + forma shape



communications a code word for the letter u
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

Word Origin and History for uniform

1530s, "of one form," from Middle French uniforme (14c.), from Latin uniformis "having one form," from uni- "one" (see uni-) + forma "form" (see form). Related: Uniformly.


"distinctive clothes worn by one group," 1748, from French uniforme, from the adjective (see uniform (adj.)).

Online Etymology Dictionary, © 2010 Douglas Harper