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Synonyms

dead horse

American  

noun

  1. something that has ceased to be useful or relevant.


idioms

  1. beat / flog a dead horse, to persist in pursuing or trying to revive interest in a project or subject that has lost its usefulness or relevance.

dead horse More Idioms  

Etymology

Origin of dead horse

An Americanism dating back to 1820–30

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.

Just saying it once feels like I’m beating a dead horse.

From The Wall Street Journal • May 23, 2026

As late as 10 p.m., the dead horse was left uncovered on the carpool lane on the 605.

From Los Angeles Times • Apr. 3, 2024

“I think you would like to have those players playing in an ideal world, but I feel like we’re sort of beating a dead horse in this media room a little bit,” he said.

From Seattle Times • Mar. 13, 2024

The dead horse was found by a citizen in Hempstead, about 50 miles northwest of Houston, at around 8:30 a.m.

From Washington Times • Nov. 24, 2023

My emoticons are puncture-ation marks from the time a dead horse fell out of the sky onto me and my mother.

From "100 Sideways Miles" by Andrew Smith

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