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English definition of “red”

red

adjective     /red/ (redder, reddest)
A1 of the colour of fresh blood: red lipstick The dress was bright red.Common coloursLess common colours A2 describes hair that is an orange-brown colourHair colour go/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!Expressing and showing feelings 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.Weeping and cryingThe eye and surrounding areaEyesight, glasses and lensesUsing the eyes redness     /ˈred.nəs/ noun [U] Her scar healed, but the redness remained for a long time.Skin complaints and blemishes
(Definition of red adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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