English Reference

Word

jab

US/ˈdʒæb/

UK/dʒˈæb/

Definitions

01medical injection

B1 · Intermediate Countable noun Medicine British English · Informal

n. a medical injection to protect you against a disease.

n. a hypodermic injection, typically for the purpose of vaccination or inoculation.

“I need to go to the clinic to get my flu jab before winter starts.”

“Public health officials encouraged citizens to book their booster jab to ensure community immunity levels remained high during the peak season.”

02a quick punch

B2 · Upper Intermediate Countable noun Sports

n. a quick, straight punch in boxing.

n. a short, straight punch delivered with the leading hand.

“The boxer used a quick jab to keep his opponent at a distance.”

“The trainer emphasized the importance of a stiff jab to set up more powerful combinations later in the round.”

Synonyms

03a poke or thrust

B2 · Upper Intermediate Countable noun

n. a sharp, sudden poke with a finger or a pointed object.

n. a quick, sharp thrust or poke with a finger, elbow, or pointed instrument.

“He gave me a sharp jab in the ribs to get my attention.”

“She felt a sudden jab of pain in her shoulder as she tried to lift the heavy crate onto the shelf.”

Synonyms

04a verbal insult

C1 · Advanced Countable noun Informal

n. a quick, clever remark intended to criticize or mock someone.

n. a sharp, often witty verbal criticism or insult directed at a person.

“His speech included a few playful jabs at his rival's recent failures.”

“The political columnist is known for taking subtle jabs at the administration's economic policies in every Sunday edition.”

Synonyms

diggibeinsult

Antonyms

05to poke or thrust

B2 · Upper Intermediate

v. to push something sharp or pointed into something else quickly.

v. to poke or thrust abruptly or sharply with a finger or object.

“She jabbed her finger at the map to show us exactly where we were.”

“The chef jabbed the meat with a fork to check if it was tender enough to serve.”

Synonyms

Usage

Commonly used in British English as a synonym for 'shot' or 'vaccination'; in sports, it refers specifically to a straight punch.

Etymology

Originally a Scottish (unclear if Scots or Scottish English) form of English job (“peck, poke, thrust”), from Middle English jobben.

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

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