dark horse

noun

1
a
: a usually little known contender (such as a racehorse) that makes an unexpectedly good showing
b
: an entrant in a contest that is judged unlikely to succeed
2
: a political candidate unexpectedly nominated usually as a compromise between factions

Examples of dark horse in a Sentence

The Democrat from Utah has gone from being a dark horse to the front-runner in the campaign for President. The movie is a dark horse for the award. He is a dark horse, but I did find out that he once played football professionally.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Not only did some have the Bears pegged as playoff contenders, but there were even some who viewed them as a legitimate dark horse in the NFC. Matthew Schmidt, MSNBC Newsweek, 1 Sep. 2025 Novak, who impressed with steady finishes throughout the season including Ben Griffin’s partner at the Zurich win, was seen as a dark horse pick but ultimately lost out to flashier names. Jeff Goudy, Forbes.com, 27 Aug. 2025 Somebody would be set up as a dark horse. Ruby Tandoh, New Yorker, 25 Aug. 2025 After beginning the year ranked 333rd in the world, Mboko has surged to 24th and arrives in New York City as a potential dark horse for the US Open, where she is seeded (22nd) in the main draw of a major for the first time. Max Gao, Vogue, 25 Aug. 2025 See All Example Sentences for dark horse

Word History

First Known Use

1821, in the meaning defined at sense 1a

Time Traveler
The first known use of dark horse was in 1821

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Cite this Entry

“Dark horse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dark%20horse. Accessed 9 Sep. 2025.

Kids Definition

dark horse

noun
: a contestant or a political figure whose abilities and chances of winning are not known
the convention nominated a dark horse

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