dark horse definition

  • noun:
    • person who achieves unexpected assistance and success as a political prospect, typically during a party's convention.
    • A little-known, unexpectedly effective entrant, like in a horserace.
    • an applicant who is selected unexpectedly, without formerly having already been discussed or regarded as a likely option.
    • surprise success.
    • a political applicant that is not dominant but could win unexpectedly
    • a racehorse about which little is famous

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