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

But Waymo’s technology involves more of a step-by-step process, where its system takes in data from high-definition maps and advanced sensors to recognize objects and plan the vehicle’s path. —Laura L. Davis, Nashville Tennessean, 10 Oct. 2025

The Korean multitasking skincare-makeup hybrid creates radiance with high-definition, evens out the complexion, and minimizes imperfections, all while caring for the skin. —Beatrice Zocchi, Vogue, 7 Oct. 2025

The film reveals awe-inspiring cosmic vistas and glimpses of daily life in orbit, captured with 8K ultra-high-definition cameras. —Marcelo Cajueiro, Variety, 4 Oct. 2025

These ultra-modern jets, still in development, have eliminated traditional passenger cabin windows entirely, replacing them with virtual ones that display real-time views from high-definition cameras mounted around the aircraft’s exterior. —Mack Degeurin, Popular Science, 2 Oct. 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