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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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dark horse

Grammar usage guide and real-world examples

USAGE SUMMARY

"dark horse" is a correct and usable phrase in written English.
You can use it to describe an unexpected or unlikely winner in a contest, race, or election. For example: "John Smith, a dark horse in the race for president, won the election."

✓ Grammatically correct

News & Media

Sports

Politics

Business

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

The top dark horse?

News & Media

The New York Times

Dark horse, dark rider.

News & Media

The New Yorker

Looking for a dark horse?

News & Media

The New York Times

Dark horse: Bright Star.

Indeed, the dark horse.

"Frozen" is the dark horse.

News & Media

The New York Times

This Bat's a dark horse.

Bertelsmann + KKR: The dark horse.

Facebook is a dark horse candidate.

News & Media

The New York Times

But he remains the dark horse.

News & Media

The Economist

Over to the dark horse Mrs. Baxter.

News & Media

The New Yorker
Show more...

Expert writing Tips

Best practice

Apply the term to non-human subjects like technology, investment stocks or even plant species to indicate unexpected viability.

Common error

Avoid using "dark horse" to describe a family member or group member who is disliked or considered a failure. Use "black sheep" for social outcasts and reserve "dark horse" for those with surprising potential for success.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

94%

Authority and reliability

4.9/5

Expert rating

Real-world application tested

Linguistic Context

As a noun phrase and idiomatic expression, "dark horse" functions as a descriptor for a person, organization or entity that rises to prominence unexpectedly. Ludwig examples show it often acting as a subject complement or a metaphorical label in professional journalism.

Expression frequency: Very common

Frequent in

News & Media

65%

Sports

15%

Politics

10%

Less common in

Science

5%

Business

3%

Academic

2%

Ludwig's WRAP-UP

In conclusion, "dark horse" is a highly effective idiomatic phrase verified by Ludwig AI as grammatically correct and exceptionally common in professional English. It captures the specific nuance of a competitor who is not currently a favorite but possesses the hidden qualities necessary to win. Unlike an "underdog", who is defined by their visible disadvantage, the "dark horse" is defined by their mystery. Whether you are writing about a political election, a breakthrough drug in a clinical trial or a new investment opportunity, this phrase adds a layer of narrative intrigue and precision to your descriptions of unexpected success.

FAQs

How do I use "dark horse" in a sentence?

You can use it to describe an unexpected winner, for example: "The small startup was a "dark horse" in the tech industry competition."

What is the difference between "dark horse" and "underdog"?

While both describe unlikely winners, an "underdog" is expected to lose because they are disadvantaged, whereas a "dark horse" is someone whose true abilities are unknown or hidden.

What can I say instead of "dark horse"?

Depending on the nuance, you could use "sleeper", "long shot" or "unknown quantity".

Is "dark horse" a positive or negative term?

It is generally a neutral or positive term because it suggests hidden talent and the exciting possibility of an upset victory.

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Source & Trust

94%

Authority and reliability

4.9/5

Expert rating

Real-world application tested

Most frequent sentences: