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English definition of “red”

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red

adjective uk   /red/ (redder, reddest) us  
A1 of the colour of fresh blood: red lipstick The dress was bright red.A2 used to describe hair that is an orange-brown colourgo/turn (bright) red B2 If you go/turn red, your face becomes red because you are angry or embarrassed: Look, you've embarrassed him - he's gone bright red! If your eyes are red, the white part of your eyes and the skin around your eyes is red, because of crying, tiredness, too much alcohol, etc.
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redness
noun [U] uk   /ˈred.nəs/ us  
Her scar healed, but the redness remained for a long time.

red

noun [C or U] uk   /red/ us  
A2 the colour of fresh blood: She uses a lot of reds and pinks in her paintings. I've always worn a lot of red. She was dressed all in red.
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(Definition of red adjective, noun from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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