IdiomBody & SensesFrench

Avoir une peur bleue

Meaning: Being terrified or extremely frightened of something.

Literally: To have a blue fear

Example: “Ma sœur a une peur bleue des araignées.” — My sister is scared to death of spiders.

English equivalent: To be scared stiff

Origin: The phrase is first found in the press in December 1846, and Littré glosses it as a very strong fear, "the kind that turns you blue." The historians Patrice Bourdelais and Jean-Yves Raulot, in a 1987 history of cholera in France titled Une peur bleue, link it to the bluish skin of cholera victims during the 1832 Paris epidemic. The link is plausible but not proven.

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