Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Noun: dark horse
  1. A political candidate who is not well known but could win unexpectedly
  2. A racehorse about which little is known

Derived forms: dark horses

Type of: bangtail [US, informal], campaigner, candidate, neddy [Austral, informal], nominee, pony [informal], race horse, racehorse

Encyclopedia: Dark horse