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idiom

canary in the coal mine

kuh-NAIR-ee in thuh KOHL MYN

kəˈnɛri ɪn ðə koʊl maɪn

Listen

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Syllable breakdown

canaryinthecoalmine

Dictionary meaning

An early warning sign of danger or trouble.

Examples

  • Bleaching coral reefs are the canary in the coal mine for ocean health.

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