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 instant camera comes with two screens and two lenses, including high-definition selfie lens and 90° wide angle lens for 16MP resolution. —Nia Bowers, USA Today, 15 June 2025

Using high-definition photography, the team initially analyzed the bounty. —Andrew Paul, Popular Science, 11 June 2025

The high-definition color display provides a detailed view of charging status, temperature and port details. —Mark Sparrow, Forbes.com, 10 June 2025

The screen is a massive 7.9 inch LCD display (up from its predecessor’s 6.2) that utilizes HDR (high dynamic range) and 1080p resolution to deliver high-definition gaming in the palm of your hand. —Christopher Cruz, Rolling Stone, 5 June 2025

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