A dark horse
Meaning
An individual or entity that was previously unknown or underestimated, but unexpectedly achieves success or prominence.
Origin
The phrase galloped into the English lexicon in the mid-19th century, notably appearing in Benjamin Disraeli's 1831 novel, The Young Duke. Disraeli, a future Prime Minister, described a horse race where a relatively unknown horse, whose color was 'dark' or indistinguishable from a distance, unexpectedly triumphed over the favored contenders. Before this, punters relied heavily on visual cues and reputations. A dark-colored horse, especially one not well-publicized or clearly visible until the very last moment, could surprise everyone with its hidden speed and stamina. This vivid image of an unheralded equine champion quickly became a metaphor for any competitor or candidate with little-known potential who achieves unexpected success.
Examples
- The unknown indie film turned out to be a dark horse at the awards ceremony, sweeping several major categories.
- Everyone was surprised when the quiet new intern, who had barely spoken a word, proved to be the dark horse with the most innovative solution.