promise (one) the moon(redirected from promising the moon)
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promise (one) the moon
To promise someone something that cannot be done. Your clients will come to distrust you if you keep promising them the moon.
promise the moon (to someone)and promise someone the moon
to 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.
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?