Definition of red noun from the Oxford Advanced Learner's Dictionary

      

    red

     noun
    noun
    BrE BrE//red//
     
    ; NAmE NAmE//red//
     
     
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  1. 1  [countable, uncountable] the colour of blood or fire She often wears red. the reds and browns of the woods in the fall (= of the leaves) I've marked the corrections in red (= in red ink). The traffic lights were on red.
  2. 2[uncountable, countable] red wine Would you prefer red or white? an Italian red
  3. 3[countable] (informal, disapproving, politics) a person with very left-wing political opinions compare pinko
  4. Word Origin Old English rēad, of Germanic origin; related to Dutch rood and German rot, from an Indo-European root shared by Latin rufus, ruber, Greek eruthros, and Sanskrit rudhira ‘red’.Idioms (informal) to owe money to your bank because you have spent more than you have in your account The company has plunged $37 million into the red. My account is $100 in the red. compare be in the black See related entries: Running a business (informal) to become very angry People who drop litter make me see red. See related entries: Anger
See the Oxford Advanced American Dictionary entry: red