English Reference

Word

gun

US/ˈɡən/

UK/ɡˈʌn/

Definitions

01a weapon

A2 · Elementary Countable noun Military

n. a weapon that shoots bullets or shells, such as a pistol or a rifle.

n. a weapon consisting of a metal tube from which projectiles are discharged by explosive force or other stored energy.

“The police officer carried a gun on his belt for protection.”

“The treaty strictly regulated the calibre of guns permitted on naval vessels patrolling the neutral zone.”

02a tool

B1 · Intermediate Countable noun

n. a tool that you hold and use with a trigger, like a tool for hot glue or painting.

n. a device operated by a trigger that resembles a firearm in shape or mechanical action.

“He used a glue gun to fix the broken handle of the mug.”

“The technician used a high-pressure spray gun to apply an even coat of sealant to the aircraft's fuselage.”

Synonyms

applicatorsprayer

03biceps

C1 · Advanced Plural noun Informal · Slang · Humorous

n. a slang word for strong arm muscles.

n. a metonymic reference to well-developed biceps muscles.

“He has been spending a lot of time at the gym showing off his guns.”

“The bodybuilder struck a pose that highlighted his guns, much to the delight of the gathered crowd.”

Usage

Almost always used in the plural form.

Synonyms

04an expert

C1 · Advanced Countable noun Slang · Informal · Dialect

n. someone who is very good or skilled at a particular job or activity.

n. an individual of notable skill or prominence in a specific field.

“They hired a young gun from the city to manage the new marketing project.”

“The firm brought in a hired gun to navigate the complex legal challenges of the merger.”

Teaching tip

Common in Australian English and business contexts to describe a high-performer.

Synonyms

Antonyms

05to accelerate

B2 · Upper Intermediate Informal

v. to make an engine go much faster very quickly.

v. to increase the speed of an engine or vehicle suddenly and forcefully.

“He gunned the engine and the car sped away from the lights.”

“The driver gunned the motor, sending a cloud of exhaust into the air as the vehicle roared up the steep incline.”

Antonyms

brakedecelerate

06to target someone

B2 · Upper Intermediate Informal

v. to try very hard to get something or to defeat someone.

v. to pursue a goal or target an opponent with intense focus or aggression.

“The other teams are all gunning for the champion this year.”

“After the scandal broke, several rival politicians began gunning for the minister's resignation.”

Usage

Usually used with the preposition 'for'.

Synonyms

Collocations

Common phrases and expressions where native English speakers use the word “gun” in context.

01. gun buyback 02. gun control 03. gun laws

Word family

Related words

Idioms

Domains

MilitaryNauticalTelevision

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
Very common
Level
A2 · ElementaryOxford
Updated

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English Reference