[ yoo-nuh-fawrm ]
See synonyms for: uniformuniforminguniforms on Thesaurus.com

  1. identical or consistent, as from example to example, place to place, or moment to moment: uniform spelling;a uniform building code.

  2. without variations in detail: uniform output;a uniform surface.

  1. constant; unvarying; undeviating: uniform kindness;uniform velocity.

  2. constituting part of a uniform: to be issued uniform shoes.

  3. Mathematics. occurring in a manner independent of some variable, parameter, function, etc.: a uniform bound.

  1. an identifying outfit or style of dress worn by the members of a given profession, organization, or rank.

  2. Informal. a uniformed police officer, as opposed to a detective or other member of a police force who does not wear a uniform while on duty: The chief wants all available uniforms at the site of the explosion ASAP.

  1. a word used in communications to represent the letter U.

verb (used with object)
  1. to make uniform or standard.

  2. to clothe in or furnish with a uniform.

Origin of uniform

First recorded in 1530–40; from Latin ūnifōrmis (adjective), equivalent to ūni- combining form meaning “one” + -fōrmis “form, shape”; see uni-, -form

Other words from uniform

  • u·ni·form·ly, adverb
  • u·ni·form·ness, noun
  • non·u·ni·form, adjective
  • self-u·ni·form, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use uniform in a sentence

British Dictionary definitions for uniform (1 of 2)


/ (ˈjuːnɪˌfɔːm) /

  1. a prescribed identifying set of clothes for the members of an organization, such as soldiers or schoolchildren

  2. a single set of such clothes

  1. a characteristic feature or fashion of some class or group

  2. informal a police officer who wears a uniform

  1. unchanging in form, quality, quantity, etc; regular: a uniform surface

  2. identical; alike or like: a line of uniform toys

  1. to fit out (a body of soldiers, etc) with uniforms

  2. to make uniform

Origin of uniform

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

Derived forms of uniform

  • uniformly, adverb
  • uniformness, noun

British Dictionary definitions for Uniform (2 of 2)


/ (ˈjuːnɪˌfɔːm) /

  1. 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