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

World-class acrobatics, artistry and dreamlike vignettes come to life as the physical and digital worlds blend on a wraparound, ultra-high-definition display, taking audiences inside Cirque du Soleil’s dream-like masterpiece like never before. — Mary Caldwell, AJC.com, 25 Aug. 2026

Along the right side of the map screen are buttons to enable a live camera view, toggle between standard and high-definition map views, open the mower settings screen, and open the map settings screen. — John R. Delaney, PC Magazine, 25 Aug. 2026

Waymo has been creating high-definition maps of Denver since September of last year with regular drivers behind the wheels of the vehicles, teaching the cars the law of the land. — Elizabeth Hernandez, Denver Post, 20 Aug. 2026

The system gives the surgeon high-definition 3D visualization. — Kurt Knutsson, FOXNews.com, 19 Aug. 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