English Reference

Word

uniform

Phoneticsuni·form

US/ˈjunəˌfɔɹm/

UK/jˈuːnɪfˌɔːm/

Definitions

01identifying clothing

A2 · Elementary Countable noun

n. a special set of clothes worn by people who belong to the same group, like a school or the army.

n. a distinctive set of garments worn by members of a specific organisation to signify membership or rank.

“The students must wear their school uniform every day except for Friday.”

“The airline updated its staff uniform to include more breathable fabrics suitable for long-haul flights in various climates.”

Antonyms

plain clothescivilian dress

02a police officer

C1 · Advanced Countable noun Law Informal

n. a police officer who is wearing their official clothes rather than a detective in normal clothes.

n. a metonymic reference to a uniformed police officer, typically used to distinguish patrol officers from plainclothes detectives.

“The detective asked a uniform to stand guard at the front door.”

“The sergeant requested two uniforms to secure the perimeter while the forensics team processed the interior of the building.”

Synonyms

Antonyms

03unvarying or consistent

B2 · Upper Intermediate Academic

adj. staying the same in all cases or at all times.

adj. remaining the same in all cases and at all times; lacking in variation or diversity.

“The bricks were all a uniform size and shape, making the wall very easy to build.”

“The committee sought a uniform approach to the grading system to ensure that students across different departments were evaluated fairly.”

04mathematical/scientific consistency

C1 · Advanced Mathematics Technical

adj. describing something that is spread evenly or follows the same rule everywhere.

adj. relating to a property that is consistent across a whole set or space, such as uniform distribution or convergence.

“The heat was uniform across the entire surface of the metal plate.”

“The researcher noted that the particles were of uniform density, which simplified the subsequent fluid dynamics calculations.”

Antonyms

05to provide with a uniform

C2 · Proficiency Formal

v. to give a group of people the same special clothes to wear.

v. to clothe a group of individuals in a uniform; often used in historical or military contexts.

“The new company decided to uniform all its delivery drivers to look more professional.”

“The revolutionary government struggled to uniform its disparate militia units, resulting in a ragtag appearance on the battlefield.”

Usage

This verb is transitive and requires a direct object.

Real-World Examples

“The government has announced new rules on the number of uniform items with school logos that students are required to wear.”
BBC 2 Sept 2026
“From September, uniforms will be limited to three items with a school logo, like a blazer, jumper or sportswear – plus a tie for secondary schools.”
BBC 10 Aug 2026
“As the nation's children head back to school, proud parents have been excitedly photographing their offspring's posing in new uniforms.”
BBC 5 Sept 2014

Etymology

Borrowed from Middle French uniforme, from Latin uniformis.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

NOUN

uniform(A2)

Related words

Domains

ChemistryMathematics

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.A2 KeyIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.3.0–4.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 2.0–2.524–43TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.225–549
Frequency
Common
Level
A2 · ElementaryOxford
Updated

QR code

englishreference.com/q/uniform

English Reference