Definition of dark horse
1a : a usually little known contender (as a racehorse) that makes an unexpectedly good showingb : 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.
First Known Use of dark horse
DARK HORSE Defined for English Language Learners
Definition of dark horse for English Language Learners
: a person (such as a politician), animal, or thing that competes in a race or other contest and is not expected to win
: a person who has interesting qualities or abilities that most people do not know about
Learn More about dark horse
Seen and Heard
What made you want to look up dark horse? Please tell us where you read or heard it (including the quote, if possible).