high-definition

adjective

high-def·​i·​ni·​tion ˈhī-ˌde-fə-ˈni-shən 

: being or relating to an often digital television system that has either 720 or 1080 scan lines per frame and a wide-screen format

high definition noun

a program broadcast in high definition

Examples of high-definition in a Sentence

Recent Examples on the Web

The pop culture phenomenon that started an empire is coming to Inglewood’s Cosm, home to a high-definition spherical screen that wraps around audiences. — Todd Martens, Los Angeles Times, 12 Nov. 2026

First-class seats will come with 32-inch 4K high-definition screens, Bang and Olufsen noise-cancelling headphones and options for passengers to book double bed and face-to-face dining configurations. — Lim Hui Jie, CNBC, 6 Nov. 2026

The system processed high-definition event-camera data 120 times per second and reached 440 times per second at lower VGA resolution. — Neetika Walter, Interesting Engineering, 30 Oct. 2026

If a natural stone feels too high-maintenance for a client’s lifestyle, the designer says a high-definition ceramic alternative offers the same visual weight with zero upkeep. — Maria Sabella, Better Homes & Gardens, 27 Oct. 2026

Word History

First Known Use

1981, in the meaning defined above

Rhymes for high-definition

• academician
• cycloaddition
• decomposition
• diagnostician
• disinhibition
• indisposition
• interposition
• juxtaposition
• mathematician
• metacognition
• metaphysician
• neurotransmission

Kids Definition

high-definition

adjective

: relating to or being a television with a more detailed and sharper picture than usual