promise the moon/earth/world
promise (one) the moon
To promise one something that cannot be done. Your clients will come to distrust you if you keep promising them the moon.
See also: moon, promise
Farlex Dictionary of Idioms.
promise the moon (to someone)
and promise someone the moonto make extravagant promises to someone. Bill will promise you the moon, but he won't live up to his promises. My boss promised the moon, but never gave me a raise.
See also: moon, promise
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
promise the earth
If someone promises the earth, they promise to give people things that they cannot in fact possibly give them. `Politicians have lost credibility,' he complained, `they promise the earth and don't deliver.'
See also: earth, promise
promise the moon
If someone promises the moon, they promise to do or give things that they cannot in fact give. Politicians promise the moon at election time, but do they deliver once they're elected?
See also: moon, promise
Collins COBUILD Idioms Dictionary, 3rd ed.
promise (somebody) the ˈmoon/ˈearth/ˈworld
(informal) make very big or impossible promises that you are unlikely to keep: He promised her the moon, but after ten years of marriage they hardly had enough to live on.See also: earth, moon, promise, world
Farlex Partner Idioms Dictionary
- promise (one) the moon
- promise someone the moon
- promise the moon
- breach of promise
- keep (one's) promise
- a promise is a promise
- keep a promise
- be over the moon
- over the moon
- man in the moon, (no more than) the