English Reference

Word

rib

US/ˈɹɪb/

UK/ɹˈɪb/

Definitions

01anatomy

B1 · Intermediate Countable noun Medicine

n. one of the curved bones in your chest that protect your heart and lungs.

n. any of the series of long curved bones extending from the spine toward the sternum in vertebrates.

“He fell off his bike and cracked a rib on the left side of his chest.”

“The radiologist confirmed a hairline fracture in the seventh rib, though fortunately the lung remained unpunctured by the impact.”

Synonyms

02food

B1 · Intermediate Countable noun Cooking

n. a piece of meat that includes a rib bone.

n. a cut of meat, such as beef or pork, containing one or more rib bones.

“We ordered a full rack of sticky barbecue ribs for the table.”

“The chef slow-roasted the prime rib for six hours, ensuring the meat was tender enough to fall away from the bone.”

Synonyms

03structural support

B2 · Upper Intermediate Countable noun

n. a curved piece of wood or metal used to support a structure like a boat or a roof.

n. a structural member used to provide shape and strength to a hull, wing, or vaulted ceiling.

“The wooden ribs of the old ship were still visible in the sand.”

“Engineers inspected the carbon-fibre ribs of the aircraft wing to ensure they could withstand the stresses of high-altitude flight.”

04textiles/plants

B2 · Upper Intermediate Countable noun

n. a raised line in a piece of cloth or on a leaf.

n. a raised ridge in knitted fabric or the prominent central vein of a leaf.

“The sweater has a thick rib around the neck and cuffs.”

“The botanist noted the distinct pattern of the ribs on the underside of the leaf, which helped identify the rare species.”

Synonyms

05a joke

C1 · Advanced Countable noun Informal

n. a friendly joke or a piece of teasing.

n. an instance of good-natured teasing or a playful joke at someone's expense.

“It was just a little rib about his new haircut, nothing serious.”

“The veteran officer gave the rookie a gentle rib about his polished boots, welcoming him into the team with humor.”

Synonyms

06to tease

B2 · Upper Intermediate Informal

v. to joke with someone in a friendly way.

v. to tease or mock someone in a good-natured, non-malicious manner.

“His friends liked to rib him about his obsession with vintage cars.”

“The colleagues would often rib each other during lunch breaks, though they remained deeply respectful in professional settings.”

Synonyms

Antonyms

Etymology

From Middle English rib, ribbe, from Old English ribb (“rib”), from Proto-West Germanic ribi, from Proto-Germanic ribją (“rib, reef”), from Proto-Indo-European *h₁rebʰ- (“arch, ceiling, cover”). Cognate with Dutch rib (“rib”), Norwegian ribbe (“sparerib”), Norwegian ribben (“rib”), Low German ribbe (“rib”), German Rippe (“rib”), Old Norse rif (“rib, reef”), Serbo-Croatian rèbro (“rib”). (wife or woman): In reference to the creation of Eve from Adam's rib in the Bible.

From Middle English ribbe, from Old English ribbe (“hound's-tongue”).

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

Idioms

Domains

AnatomyBotanyInternetNautical

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
Frequent
Level
B1 · Intermediate
Updated

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English Reference