Definitions from Wiktionary (Canary in the coal mine)
▸ noun: Alternative form of canary in a coal mine [(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.]
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▸ noun: Alternative form of canary in a coal mine [(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.]
Similar:
coalmine,
cat that swallowed the canary,
candle coal,
canal coal,
goldmine,
fox guarding the henhouse,
sea-coal,
corve,
sea coal,
cairngorum,
more...
Types:
▸ Words similar to canary in the coal mine
▸ Usage examples for canary in the coal mine
▸ Idioms related to canary in the coal mine
▸ Wikipedia articles (New!)
▸ Words that often appear near canary in the coal mine
▸ Rhymes of canary in the coal mine
▸ Invented words related to canary in the coal mine