English Reference

Word

muscle

Phoneticsmus·cle, stress on the first syllable

US/ˈməsəɫ/

UK/mˈʌsəl/

Definitions

01body tissue

B1 · Intermediate Countable noun Medicine

n. the parts of your body that you tighten or relax to move your arms, legs, and other parts.

n. contractile tissue in the body that produces movement or maintains position in parts of the body.

“He pulled a muscle in his leg while running for the bus.”

“The athlete spent months in physical therapy to repair the damaged muscle after a severe tear during the championship match.”

02physical strength

B2 · Upper Intermediate Uncountable noun

n. physical power or a body that looks very strong from exercise.

n. physical power or strength; often refers to a physique with well-developed musculature.

“It took a lot of muscle to move the heavy piano across the room.”

“The job requires a fair amount of muscle, as workers are expected to lift heavy crates for several hours a day.”

Antonyms

03hired guards

C1 · Advanced Uncountable noun Informal

n. people hired to use physical force or to protect someone.

n. individuals employed to provide protection or to intimidate others through physical presence.

“The club owner brought some muscle along to make sure the meeting stayed peaceful.”

“The mob boss never travelled without his muscle, ensuring that any potential threats were neutralised before they could act.”

04to force your way

C1 · Advanced Informal

v. to move or push into a place using force.

v. to move or make progress by using physical force or social pressure; often used with 'in' or 'through'.

“He tried to muscle his way to the front of the crowd.”

“The larger corporation attempted to muscle in on the local market, driving out smaller competitors with aggressive pricing.”

Usage

Often used as a phrasal verb: 'muscle in' or 'muscle through'.

Synonyms

Collocations

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

Verb

01. build muscle

“He goes to the gym every day because he wants to build muscle.”

verb + noun

02. flex a muscle

“The bodybuilder flexed his muscles for the judges.”

verb + noun

03. pull a muscle

“I think I pulled a muscle in my leg while I was running this morning.”

verb + noun

04. relax your muscles

“Try to relax your muscles during the massage to get the best results.”

verb + possessive + noun

Adjective

05. sore muscles

“A warm bath is great for soothing sore muscles after a long hike.”

adj + noun

06. strong muscles

“You need strong muscles to lift those heavy boxes.”

adj + noun

Noun

07. muscle group

“This exercise works every major muscle group in your body.”

noun + noun

08. muscle pain

“She took some medicine to help with the muscle pain in her back.”

noun + noun

Etymology

From Middle English muscle, muscule, muskylle, and in part from Middle French muscle, from Latin mūsculus (“a muscle”, literally “little mouse”) because of the mouselike appearance of some muscles, from mūs (“mouse”). Doublet of mussel. More at mouse.

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

Word family

NOUN

muscle(B1)

Related words

Idioms

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.B1 PreliminaryIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.4.0–5.0TOEFL 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: 3.0–3.544–71TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.550–784
Frequency
Common
Level
B1 · IntermediateOxford
Updated

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