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English definition of “joke”

joke

verb   /dʒoʊk/ (present participle joking, past tense and past participle joked)
B1 to say funny things, or not be serious: She always jokes about her husband’s cooking.
you must be joking! informal B1 used to say that something is certainly not true: “Does Jim do much cooking?” “You must be joking – he never cooks!”
(Definition of joke verb from the Webster's Essential Mini Dictionary © Cambridge University Press)

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