American Idioms – Idiom Wizard Lists Over 5,500 Idioms & Slang Descriptions

Canary in the coal mine

DEFINITION

Danger alert. Harbinger. First sign of impending problem or disaster. (Compare to Heads up.)

“The arctic ice melting is just the canary in the coal mine of otherĀ  climate changes to come.”

Leave a Comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Idiom Wizard logo

This website uses cookies. If you continue browsing you accept our use of cookies and agree to our Terms of Use and Privacy Policy. We do NOT share your information with anyone else. A Subscriber will continue to receive our messages untilĀ  you opt out.