blue - definition and synonyms

 
 
 
adjective 

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/bluː/
adjectiveblue
comparativebluer
superlativebluest
  1. 1
    something that is blue is the same colour as the sky on a clear sunny day. If something is similar to this colour, you can say that it is a bluish colour

    He looked at her with his pale blue eyes.

    The sky was gloriously blue.

    blue with cold:

    My fingers were turning blue with cold.

  2. 2
    informal feeling rather sad

    She usually calls her mother when she’s feeling blue.

  3. 3
    informal old-fashioned dealing with sex in a way that some people find offensive
    See also blue movie

derived word

blueness

noun [uncountable]
 Synonyms and related words