English Reference

Word

knee

US/ˈni/

UK/nˈiː/

Definitions

01body part

A2 · Elementary Countable noun Medicine

n. the joint in the middle of your leg that lets you bend it.

n. the joint or region of the joint in the middle part of the human leg between the thigh and the lower leg.

“He fell on the playground and scraped his left knee.”

“The athlete underwent surgery to repair a torn ligament in her right knee after a collision during the final match.”

Synonyms

genu

02part of clothing

B1 · Intermediate Countable noun

n. the part of a pair of trousers or leggings that covers your knee.

n. the specific area of a garment that corresponds to and covers the wearer's knee.

“The knees of his jeans were worn out from working in the garden.”

“The designer reinforced the knees of the work trousers with durable synthetic fabric to prevent premature tearing during heavy labour.”

03a blow

B2 · Upper Intermediate Countable noun Sports

n. a hit or strike made using your knee.

n. a physical strike or blow delivered using the knee joint, often in a combat or self-defence context.

“The fighter landed a sharp knee to his opponent's ribs.”

“In Muay Thai, a well-timed knee to the midsection can be a decisive strike in close-quarters combat.”

Synonyms

04to strike

B2 · Upper Intermediate

v. to hit someone or something with your knee.

v. to strike, poke, or nudge someone using the knee joint. Transitive use requiring a direct object.

“She accidentally kneed the table while trying to sit down.”

“The defender was penalised after he kneed the striker in the thigh during a scramble for the ball.”

Synonyms

Collocations

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

01. knee injury

Etymology

From Middle English kne, from Old English cnēow, from Proto-West Germanic kneu, from Proto-Germanic knewą, from Proto-Indo-European ǵnéw-o-m, a thematic derivative of ǵónu. See also West Frisian knibbel, Low German Knee, Knie, Dutch knie, German Knie, Danish knæ, Norwegian kne, Swedish knä; also Hittite 𒄀𒉡 (genu), Latin genū, Tocharian A kanweṃ (dual), Tocharian B kenī, Ancient Greek γόνυ (gónu, “knee”), γωνία (gōnía, “corner, angle”), Welsh glin (“knee”), Old Armenian ծունր (cunr), Avestan 𐬲𐬥𐬎𐬨 (žnum), Sanskrit जानु (jā́nu). The obsolete plural kneen is from Middle English kneen, knen, kneon, kneuwene.

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

Word family

NOUN

knee(A2)

Related words

Idioms

Domain

Anatomy

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

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