What does ‘chase rainbows’ mean?

To “chase rainbows” means to pursue fanciful, unreachable goals. A modern idiom; the image is of the endlessly receding rainbow's end. Brewer's 1898 does not record it in this form.

Origin

  • A modern idiom; the image is of the endlessly receding rainbow's end. Brewer's 1898 does not record it in this form.

How to use it

  • A gentle discouragement.
  • Example: Don't chase rainbows — stick with a realistic plan.

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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