be flogging a dead horse

(redirected from am flogging a dead horse)

be flogging a dead horse

To be continuing to focus on something—especially an issue or topic—that is no longer of any use or relevance. I don't know why you're flogging a dead horse when the rest of us have moved on from that problem.
See also: dead, flog, horse

be flogging a dead horse

BRITISH or

be beating a dead horse

AMERICAN
If someone is flogging a dead horse, they are wasting their time trying to achieve something that cannot be done. After putting in all that hard work it feels like we're flogging a dead horse — it's all very discouraging. You're beating a dead horse on this. These guys are defeated.
See also: dead, flog, horse
References in periodicals archive ?
If you think I am flogging a dead horse and do not wish to join in with me, I understand.