Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “dark horse”

dark horse

noun [C usually singular] (WINNER)    US
a horse or a politician who wins a race or competition although no one expected them toHorse racingHorse ridingWinners and losers
(Definition of dark horse noun (WINNER) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of dark horse

More definitions for “dark horse”

Definitions of “dark horse” in other dictionaries

Translations of “dark horse”

Word of the Day

beneficiary

a person or group who receives money, advantages, etc. as a result of something else

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More