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English definition of “kid”

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kid

noun uk   /kɪd/ us  

kid noun (CHILD)

B1 [C] informal a child: He took the kids to the park while I was working. [C] informal a young person: He was only 16, just a kid really. [as form of address] What's up, kid?sb's kid sister/brother mainly US informal someone's younger sister or brotherbe like a kid in a candy store US and Australian English to be very happy and excited about the things around you, and often react to them in a way that is silly and not controlled: You should have seen him when they arrived. He was like a kid in a candy store.
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kid noun (ANIMAL)

[C] a young goat [U] very soft leather made from the skin of a young goat: kid gloves

kid

verb [I or T] uk   /kɪd/ (-dd-) informal us  
to say something as a joke, often making someone believe something that is not true: Oh no, I forgot your birthday! Hey, just/only kidding! You won first prize? You're kidding! (= I'm really surprised.) I'm just kidding you!kid yourself to believe something that is not true, usually because you want it to be true: He says there's a good chance she'll come back to him but I think he's kidding himself.
Phrasal verbs
(Definition of kid from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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