English Reference

Word

bone

Phoneticsbone

US/ˈboʊn/

UK/bˈəʊn/

Definitions

01part of the skeleton

A2 · Elementary Countable noun Medicine

n. one of the hard, white pieces that make up the frame of a person's or animal's body.

n. any of the individual rigid components of the vertebrate endoskeleton, composed of calcium phosphate and collagen.

“The doctor showed me the X-ray of the broken bone in my arm.”

“The forensic anthropologist examined the pelvic bone to determine the approximate age and sex of the remains found at the site.”

02the material

B1 · Intermediate Uncountable noun Science

n. the hard substance that skeletons are made of.

n. the dense, semi-rigid calcified connective tissue forming the substance of the skeleton.

“The handle of the old knife was made of carved bone.”

“Microscopic analysis revealed that the bone had begun to lose density, a common indicator of long-term nutritional deficiency.”

03money

C1 · Advanced Countable noun American English · Slang · Informal

n. a slang word for a dollar.

n. a slang term for a dollar, typically used in the plural.

“The concert ticket cost me fifty bones, but it was worth it.”

“He claimed the entire repair job would only set me back twenty bones, which seemed suspiciously cheap for such extensive damage.”

Synonyms

04to remove bones

B2 · Upper Intermediate Cooking

v. to take the bones out of meat or fish before cooking it.

v. to remove the skeletal remains from meat, poultry, or fish during food preparation.

“You should bone the chicken thighs before you put them in the stew.”

“The chef demonstrated how to bone a leg of lamb with a sharp knife, ensuring minimal waste of the prime cuts.”

Synonyms

debonefillet

05to have sex

C2 · Proficiency Slang · Vulgar

v. a very informal and rude way to say 'have sex with someone'.

v. to engage in sexual intercourse; a vulgar slang term often used transitively.

“They were caught boning in the back of the car.”

“The film relied heavily on crude humor, featuring several scenes where characters joked about who they wanted to bone.”

Synonyms

06colour

B2 · Upper Intermediate

adj. a very pale, off-white colour like the colour of a bone.

adj. denoting a specific shade of off-white or light greyish-yellow.

“She chose a bone-coloured dress for the summer wedding.”

“The interior designer suggested bone silk curtains to complement the darker mahogany furniture in the study.”

Synonyms

ivoryoff-white

07completely

B2 · Upper Intermediate Informal

adv. used before some adjectives like 'dry' or 'idle' to mean 'completely'.

adv. used as an intensifier before specific adjectives, most commonly 'dry' or 'idle'.

“The ground was bone dry after three months without any rain.”

“Despite the heavy downpour earlier that morning, the sheltered porch remained bone dry throughout the storm.”

Usage

Commonly used in the plural when referring to the skeleton; often appears in idioms like 'to have a bone to pick' or 'to the bone'.

Word family

NOUN

Bone(A2)

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.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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