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English definition of “joker”

joker

noun [C]     /ˈdʒəʊkər/
PERSON someone who likes saying or doing funny thingsHumour and humorousEntertainers in general
CARD one of a set of playing cards that can be used instead of another card in some gamesPlaying cards
(Definition of joker noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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