Dictionary.com
Thesaurus.com
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.

See Examples For:

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

From The Wall Street Journal May 23, 2026

“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

But it relies on shifting the focus from beating the dead horse of individual responsibility to setting up Americans for success by designing their environment for health.

From Salon Sep. 8, 2023

Look: A dead horse fell from the bridge.

From "100 Sideways Miles" by Andrew Smith

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training