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Meaning of “genius” in the English Dictionary

"genius" in British English

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geniusnoun [C or U]

uk   /ˈdʒiː.ni.əs/ us   /ˈdʒiː.ni.əs/ plural geniuses
C1 very great and rare natural ability or skill, especially in a particular area such as science or art, or a person who has this: (an) artistic/creative/musical genius Einstein was a (mathematical) genius. From the age of three, she showed signs of genius. It was such a brilliant idea - a real stroke of genius.
evil genius literary
a person who has a strong bad influence over other people: The film was about an evil genius who wanted to control the world.
have a genius for sth
to be especially skilled at a particular activity: She has a genius for raising money.

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(Definition of genius from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)
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