dark horse

listen to the pronunciation of dark horse
English - English
An unexpected success

Everyone was expecting the red team to win, but the greens were the dark horse in the event.

A candidate who is nominated unexpectedly, without previously having been discussed or considered as a likely choice
If you describe someone as a dark horse, you mean that people know very little about them, although they may have recently had success or may be about to have success
someone in a race that is considered very unlikely to win (especially a political race); political candidate who is nominated unexpectedly; racehorse in respect of which little is known
a racehorse about which little is known
a political candidate who is not well known but could win unexpectedly
a racehorse about which little is known a political candidate who is not well known but could win unexpectedly
dark horses
plural form of dark horse
darkhorse
Having the character of a dark horse
dark as the inside of a horse
{s} (Slang used in the USA) very dark
dark horse
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