English Reference

Word

brass

US/ˈbɹæs/

UK/bɹˈɑːs/

Definitions

01the metal alloy

B2 · Upper Intermediate Uncountable noun

n. a bright yellow metal made by mixing copper and zinc.

n. a metallic alloy consisting essentially of copper and zinc. Uncountable in its material sense.

“The door had a heavy brass handle that shone in the sunlight.”

“The interior designer specified solid brass fixtures to provide a warm, traditional contrast against the modern marble surfaces.”

Synonyms

02musical instruments

B2 · Upper Intermediate Uncountable noun Music

n. musical instruments made of metal that you blow into, like trumpets and trombones.

n. a family of wind instruments, typically made of metal, played by vibrating the lips against a mouthpiece. Often used as a collective noun for a section of an orchestra.

“The brass started playing a loud fanfare at the beginning of the parade.”

“The composer wrote a demanding part for the brass, requiring the trumpets to sustain high notes over the rest of the ensemble.”

Synonyms

hornswind instruments

Antonyms

stringswoodwinds

03high-ranking people

C1 · Advanced Plural noun Informal

n. the people in the highest positions of an organization, especially the military or a big company.

n. high-ranking officers or senior executives within a hierarchy. Informal in register; often used collectively as 'the top brass'.

“The top brass decided to close the factory despite the workers' protests.”

“After the failed operation, the military brass faced intense questioning from the parliamentary committee regarding their strategic oversight.”

04boldness or rudeness

C2 · Proficiency Uncountable noun Informal

n. a very confident attitude that might seem rude to others.

n. impudence, effrontery, or excessive self-assurance. Uncountable; often used in the phrase 'have the brass to'.

“I can't believe he had the brass to ask for a raise after being late every day.”

“She had the sheer brass to walk into the private event without an invitation and act as if she owned the venue.”

Antonyms

05money

C2 · Proficiency Uncountable noun Dialect · British English · Informal

n. a slang word for money used in some parts of England.

n. a slang term for money. Primarily associated with Northern English dialects; increasingly dated in modern usage.

“He made a lot of brass selling old furniture at the market.”

“In the old industrial towns, the local saying was 'where there's muck, there's brass', meaning where there is dirt, there is money to be made.”

Synonyms

06made of brass

B2 · Upper Intermediate

adj. made of the metal brass, or having its yellow color.

adj. composed of or pertaining to the alloy brass; exhibiting the characteristic yellow-gold color of the metal.

“She wore a brass ring that she bought at a craft fair.”

“The antique clock featured intricate brass gears that were still visible through the glass casing.”

Synonyms

07to coat with metal

C2 · Proficiency Technology Technical

v. to cover something with a thin layer of brass.

v. to coat or plate a surface with brass. Transitive; usually refers to industrial or decorative finishing processes.

“The manufacturer decided to brass the steel fittings to make them look more expensive.”

“The workshop was equipped to brass various hardware components, providing a corrosion-resistant finish that mimicked solid metal.”

Synonyms

Real-World Examples

“I do have some history with large-scale brass performances.”
The Guardian 17 Sept 2026
“The problem was that the earliest physical evidence of brass production would be found nearly 600 years later, in the 16th century A.D.”
Phys.org 14 Aug 2026

Word family

NOUN

brass(B2)

ADJECTIVE

Idioms

Domains

BusinessMilitaryMusic

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.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL 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: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Common
Level
B2 · Upper Intermediate
Updated

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