black belt

American  

[blak belt] / ˈblæk ˌbɛlt /

noun

1. Martial Arts.

   1. a black cloth waistband conferred upon a participant in one of the martial arts, as judo or karate, to indicate a degree of expertise of the highest rank.

   2. a person who has obtained such rank

   3. the rank itself.

2. a person proficient in some particular skill or endeavor; expert.

3. (initial capital letters) a narrow belt of dark-colored, calcareous soils in central Alabama and Mississippi highly adapted to agriculture, especially the growing of cotton.

4. (initial capital letters) the area of a city or region inhabited primarily by Black people.

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black belt British  

noun

1. martial arts

   1. a black belt worn by an instructor or expert competitor in the dan grades, usually from first to fifth dan

   2. a person entitled to wear this

2. a region of the southern US extending from Georgia across central Alabama and Mississippi, in which the population contains a large number of Black people: also noted for its fertile black soil

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Other Word Forms

• black-belt
  adjective

Etymology

Origin of black belt

First recorded in 1865–70

Example Sentences

Robert Read said his 12-year-old son, Theodore, who earned a black belt just before Christmas, is happily following Blanck to the new dojo.

From Los Angeles Times • May 12, 2026

He also has a black belt in martial arts and was part of the school’s Spanish club, according to his college recruiting profile.

From Los Angeles Times • Apr. 24, 2026

The show's stylists kitted her out with a black belt and boots to complete her look.

From BBC • Jan. 24, 2026

He’s a charming Aussie surfer who plays videogames and has a black belt in jujitsu.

From The Wall Street Journal • Oct. 5, 2025

Ray is a third-degree black belt in tae kwon do.

From "Everything Sad Is Untrue" by Daniel Nayeri