Phrase guide

dark horse

noun · 6 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • Australia: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

Someone who possesses talents or favorable characteristics that are not known or expected by others.

Definition source: English Wiktionary via Wiktextract

Usage: idiomatic

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A candidate for an election who is nominated unexpectedly, without previously having been discussed or considered as a likely choice.

Definition source: English Wiktionary via Wiktextract

Usage: idiomatic

Topics: government, politics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A horse whose capabilities are not known.

Definition source: English Wiktionary via Wiktextract

Topics: hobbies, horse-racing, horseracing, horses, lifestyle, pets, racing, sports

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Used other than figuratively or idiomatically: see dark, horse.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

a racehorse about which little is known

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: racehorse, race horse, bangtail

6

noun

Meaning 6

a political candidate who is not well known but could win unexpectedly

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: campaigner, candidate, nominee

History

Etymology

Originally an allusion to an unknown horse with a dark coat winning a race, as used in the 1831 novel The Young Duke by Benjamin Disraeli (1804–1881).

Across languages

Translations

31 source translations are retained for this English entry.

  • Belarusian: цёмны конік (cjómny kónik) — possessor of unexpected talents or favorable characteristics
  • Chinese Mandarin: 黑馬 /黑马 (hēimǎ) — possessor of unexpected talents or favorable characteristics
  • Czech: černý kůň — possessor of unexpected talents or favorable characteristics
  • Finnish: musta hevonen — possessor of unexpected talents or favorable characteristics
  • Greek: σιγανό ποτάμι (siganó potámi) — possessor of unexpected talents or favorable characteristics
  • Hindi: छिपा रुस्तम (chipā rustam) — possessor of unexpected talents or favorable characteristics
  • Hindi: काला चोर (kālā cor) — possessor of unexpected talents or favorable characteristics
  • Hungarian: sötét ló — possessor of unexpected talents or favorable characteristics
  • Icelandic: leyna á sér — possessor of unexpected talents or favorable characteristics
  • Indonesian: kuda hitam — possessor of unexpected talents or favorable characteristics
  • Italian: acqua cheta — possessor of unexpected talents or favorable characteristics
  • Italian: cavallo nero — possessor of unexpected talents or favorable characteristics
  • Polish: cicha woda — possessor of unexpected talents or favorable characteristics
  • Polish: czarny koń — possessor of unexpected talents or favorable characteristics
  • Russian: тёмная лоша́дка (tjómnaja lošádka) — possessor of unexpected talents or favorable characteristics
  • Slovak: čierny kôň — possessor of unexpected talents or favorable characteristics
  • Upper Sorbian: čorny kóń — possessor of unexpected talents or favorable characteristics
  • Spanish: tapado — possessor of unexpected talents or favorable characteristics
  • Thai: ม้ามืด (máa-mʉ̂ʉt) — possessor of unexpected talents or favorable characteristics
  • Ukrainian: темна конячка (temna konjačka) — possessor of unexpected talents or favorable characteristics
  • Chinese Mandarin: 黑馬 /黑马 (hēimǎ) — unexpectedly nominated candidate
  • Estonian: üllatuskandidaat — unexpectedly nominated candidate
  • Finnish: musta hevonen — unexpectedly nominated candidate
  • French: outsider — unexpectedly nominated candidate
  • Italian: outsider — unexpectedly nominated candidate
  • Japanese: 穴馬 (anauma) — unexpectedly nominated candidate
  • Japanese: 惑星 (wakusei) — unexpectedly nominated candidate
  • Polish: czarny koń — unexpectedly nominated candidate
  • Russian: тёмная лоша́дка (tjómnaja lošádka) — unexpectedly nominated candidate
  • Spanish: tapado — unexpectedly nominated candidate
  • Thai: ม้ามืด (máa-mʉ̂ʉt) — unexpectedly nominated candidate