flog a dead horse

VERB

beat a dead horse

Synonyms

WEAK

belabor dwell upon harp on linger over

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

You know the old proverb, 'It is waste time to flog a dead horse.'

From Expositions of Holy Scripture: the Acts by Maclaren, Alexander