dark horse

Unexpected potential winner

A dark horse is a competitor about whom little is known, making their chances difficult to predict.

The term comes from horse racing, where an unfamiliar entry might surprise bettors.

Now it applies broadly to anyone who emerges unexpectedly as a serious contender: She was a dark horse candidate who won the nomination.

A dark horse often suggests hidden strengths or underestimation by others.

underdog

underestimated

Misjudged as inferior

upset · challenger · surprise · longshot · outsider · unheralded · unsung · underrated · against the odds · Cinderella story

competition

contender

One competing seriously

tournament · field · odds · betting · gamble · upset · surprise · winner · finalist · bracket

politics

candidate

Person seeking selection

nominee · ballot · caucus · convention · delegate · frontrunner · contender · poll · upset · victory

unknown

mysterious

Beyond easy comprehension

unheard-of · anonymous · faceless · shadowy · secretive · inscrutable · unpredictable · uncertain · hidden · veiled

Categories
Opposites
competitive expectation

dark horsefavorite

Most liked option

lock · cinch · sure thing · shoo-in · safe bet

predictability/knowability

dark horseknown quantity

Established, predictable element

household name · familiar face · celebrity · public figure · big name

Family

darkness, darken, darkened, underdog, darkest, darkly, darker, darkens, darkening

Familiarity
Top 50,000
Profile
Known to kids · Used worldwide · Timeless · Everyday, not technical · Rated G