English idiom · neutral · spoken & written · BrE & AmE

a dark horse: meaning and examples

a dark horse means a person with unexpected abilities or chances of success.

Memory hook: Build a clear mental picture from “a dark horse” and connect it to this meaning: a person with unexpected abilities or chances of success.

How to use “a dark horse”

Common mistake: Treat “a dark horse” as a fixed expression. Notice its exact word order in the examples.

Learn it in context

This expression belongs to Lesson 11, where you can compare it with other idioms about character and practise it interactively.

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