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English definition of “grey”

grey

adjective (COLOUR) (US usually gray)     /ɡreɪ/
A1 of the colour that is a mixture of black and white, the colour of rain clouds: a grey skyBlack, white and grey C2 having hair that has become grey or white, usually because of age: He started to go/turn grey in his mid-forties.Hair colour B2 describes the weather when there are a lot of clouds and little light: Night turned into morning, grey and cold.Describing bad weatherClouds, dew, fog and steam greyness (US usually grayness)     /ˈɡreɪ.nəs/ noun [U]
(Definition of grey adjective (COLOUR) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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