dead horse


something that has ceased to be useful or relevant.


    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.

Origin of dead horse

An Americanism dating back to 1820–30 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for dead horse

  • So side by side and hand in hand the two of us walked out into Dead-Horse Lake.

    The Prairie Child|Arthur Stringer

Idioms and Phrases with dead horse

dead horse

see beat a dead horse.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.