What does ‘true blue’ mean?

To “true blue” means to staunchly loyal, especially in politics. Brewer's traces 'true blue' to the Scottish Covenanters, whose blue banners stood for staunch adherence; the phrase has been transferred to political and personal loyalty.

Origin

  • Brewer's traces 'true blue' to the Scottish Covenanters, whose blue banners stood for staunch adherence; the phrase has been transferred to political and personal loyalty.

How to use it

  • Common in party-political and sporting contexts.
  • Example: He's a true-blue supporter of the team.

Source:

Last verified: 2026-07-18

  • Definitions and origins are drawn from public-domain reference works, primarily Brewer's Dictionary of Phrase and Fable (1898), with modern usage notes clearly marked.

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