Phrase guide

canary in a coal mine

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

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.

Definition source: English Wiktionary via Wiktextract

Usage: idiomatic

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: miner's canary

Antonyms: none provided

History

Etymology

An allusion to caged canaries that miners would carry down into the mine tunnels with them. If dangerous gases, such as carbon monoxide collected in the mine, the gases would kill the canary before killing the miners, thus providing a warning to exit the tunnels immediately.

Across languages

Translations

7 source translations are retained for this English entry.

  • Bulgarian: кана́рче във въ́глищна ми́на (kanárče vǎv vǎ́glištna mína) — early indicator
  • Finnish: kaivoksen kanarialintu — early indicator
  • French: canari dans une mine de charbon — early indicator
  • French: signe avant-coureur — early indicator
  • Hungarian: kanári a szénbányában — early indicator
  • Japanese: 炭鉱のカナリア (tankō no kanaria) — early indicator
  • Polish: kanarek w kopalni — early indicator