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English definition of “jab”

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jab

verb uk   /dʒæb/ (-bb-) us  
[I or T, usually + adv/prep] to push or hit something forcefully and quickly, often with a thin or sharp object: The doctor jabbed the needle into the dog's leg. Watch out! You nearly jabbed me in the eye with your umbrella! He was jabbing a finger at (= towards) them and shouting angrily. [I] to make quick forceful hits with your fist (= closed hand) when boxing [T] to kick a ball hard and quickly: He jabbed the ball into the net in the final minute of the game.

jab

noun [C] uk   /dʒæb/ us  
a quick hard push or hit: She gave me a sharp jab in the ribs with her elbow to stop me from saying any more. The boxer was floored by a punishing left jab. UK informal an injection : a flu jab You'll need some jabs if you're going to Egypt.
(Definition of jab from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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