IdiomThe AbsurdFrench

Promettre monts et merveilles

Meaning: To promise far more than could ever be delivered.

Literally: To promise mountains and marvels

Example: “Le vendeur nous a promis monts et merveilles, mais la cuisine n'est toujours pas installée.” — The salesman promised us the moon, but the kitchen still isn't installed.

English equivalent: To promise the moon

Other ways to say this

Origin: The pairing is medieval and deliberately unbounded, offering both the largest physical things and things outside nature. It is used of manifestos and job offers.

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