flogging dead horse

Pointless continued effort

Flogging a dead horse is persisting with something already finished, failed, or beyond revival—continuing to argue a settled point or push a project everyone knows is hopeless.

The image is of beating a horse that can no longer respond.

Usually appears as beating a dead horse in American English: Bringing up the merger again? You're flogging a dead horse.

Related

stubborn · persistence · exhaustion · giving up · lost cause · uphill battle · lost battle · repetition · nagging · tiresome · relentless · worn out · useless · frustration · spinning wheels · brick wall · deaf ears · banging head

Opposites
effort efficacy

flogging dead horsemaking hay while the sun shines

Capitalizing on favorable circumstances

bearing fruit · paying dividends · gaining traction · fertile ground · on a roll

opportunity freshness

flogging dead horsegoing concern

Profitable, continuing enterprise

open door · window of opportunity · ripe for the picking · low-hanging fruit · untapped potential

pragmatic wisdom

flogging dead horsemoving on

Proceeding past something

reading the room · pivoting · letting go · turning the page · rolling with the punches

Family

flog, flogs, flogged, flogger, floggers, dead, deaden, deadens, deadened

Familiarity
Top 500,000
Profile
Used worldwide · Timeless · Negative · Everyday, not technical · Rated PG