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Synonyms for

Blu

Another word for blu — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

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Synonyms by register

Formal

melancholy somber downcast dejected

Informal

sad down low bummed out glum

Literary

woebegone lugubrious sorrowful

Antonyms

happy joyful cheerful content elated merry gleeful

Common collocations

  • feeling blue
  • blue mood
  • out of the blue
  • blue in the face
  • blue collar
  • blue ribbon
  • blue sky
  • blue jeans

Word family

noun blueness
verb blue
adjective blue

Usage note

While 'blue' can refer to the color, it is most commonly used informally to describe a state of sadness or low spirits. It is rarely used in formal contexts to mean sad.

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