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 digital release will be available across major platforms including Amazon Prime Video, Apple TV and Fandango at Home, with the title continuing to be offered in both high-definition and standard-definition formats. —Anna Tingley, Variety, 24 Mar. 2026

Triggered by the film camera's shutter release button, the Ligar is able to capture both a 12MP still image and record a high-definition 1440x1440/30fps video clip. —Shirl Leigh march 05, New Atlas, 5 Mar. 2026

Bluetooth is not ideal for transferring large files or streaming high-definition video. —Shreyas Sen, The Conversation, 23 Feb. 2026

That includes stocking fresh produce, installing several high-definition security cameras and power washing it regularly. —La Risa R. Lynch, jsonline.com, 19 Feb. 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