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English definition of “wizard”

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wizard

noun [C] uk   /ˈwɪz.əd/ us    /-ɚd/
a man who is believed to have magical powers and who uses them to harm or help other people ( UK also whizz, US also whiz, wiz) informal someone who is an expert at something or who has great ability in a particular subject: a computer wizard Your mother's a wizard at Scrabble.
(Definition of wizard from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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