Word.ws English Dictionary

canary in the coal mine

canary in the coal mine is the alternative form of canary in a coal mine.

Meaning of canary in a coal mine

Noun

canary in a coal mine (plural canaries in a coal mine or canaries in coal mines)

  1. (idiomatic) Something whose sensitivity to adverse conditions makes it a useful early indicator of such conditions; something which warns of the coming of a greater danger or trouble by a deterioration in its health or welfare.
    • "A mussel is a canary in a coal mine," Clemens explained. "When the freshwater mussels are healthy, it indicates good water quality."2003 April, “Saving the St. Joe”, in Field & Stream
    Synonyms:
    miner's canary

Forms of canary in the coal mine

pluralcanaries in the coal mine
pluralcanaries in coal mines
pluralcanaries in the coal mines

Questions about canary in the coal mine

What is canary in the coal mine the alternative form of?
Canary in the coal mine is the alternative form of canary in a coal mine.

Words near canary in the coal mine in the dictionary

  1. canary girls
  2. canary grass
  3. canary grasses
  4. canary in a coal mine
  5. canary in a coalmine
  6. canary in the coal mine
  7. canary in the coalmine
  8. Canary Island
  9. Canary Islander
  10. Canary Islanders
  11. Canary Islands

Source and license

Adapted from Wiktionary: canary in the coal mine (page history and authors); canary in a coal mine (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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