Definitions

dark horse

NOUN

remote possibility

Synonyms

STRONGEST

also-ran long shot sleeper underdog

WEAK

hundred-to-one shot improbability little chance little opportunity outside chance outside shot poor bet poor lookout poor possibility poor prognosis poor prospect slim chance small chance stalking horse unexpected winner unknown unknown quantity unlikelihood unlikely winner upsetter

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.

Three-time losing finalist Medvedev is a dark horse after winning the lead-up Brisbane International, while American Learner Tien spearheads the new guard fresh from lifting the ATP Next Gen title.

From Barron's • Jan. 14, 2026

After more than a century of false starts, the dark horse of the renewable-energy industry seems finally poised to make a significant dent in America’s insatiable appetite for new sources of power.

From The Wall Street Journal • Oct. 23, 2025

At the same time, Darnold has emerged as both a dark horse to be this season’s MVP and an incredible bargain: His $33.5 million a year contract is far cheaper than the game’s highest-paid passers.

From The Wall Street Journal • Oct. 13, 2025

The medical drama entered the night as a dark horse contender, with many predicting Apple TV+‘s “Severance” would win the category.

From Los Angeles Times • Sep. 14, 2025

This card, the one with the dark man on a dark horse, this means jealousy, and this one, sorrow.

From "The House on Mango Street" by Sandra Cisneros

dark horse

Example Sentences

Related Words