Flogging a dead horse
Meaning
To waste effort on something that cannot be changed or has no chance of success.
Origin
Imagine the grim scene of a horse, already collapsed or dead from exhaustion, yet its rider continues to desperately whip it, hoping for some miraculous burst of energy. This vivid image of futile, wasted effort is precisely where the phrase finds its roots. The idiom gained particular prominence in British political discourse. In 1872, during a parliamentary debate, British MP John Bright famously used the phrase to critique efforts to energize a Reform Bill that he believed had already failed. He asserted that any further discussion or amendments to the 'dead' bill would be akin to 'flogging a dead horse,' solidifying the phrase's place in the English language as a powerful descriptor for pointless endeavors.
Examples
- Trying to convince him to invest in that failed project is like flogging a dead horse.
- We’ve discussed this issue repeatedly; continuing to debate it now is just flogging a dead horse.