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 Met: Live in HD — live high-definition cinema simulcasts that do tend to pop — now in its 18th season, is available in more than 1,800 theaters in 60 countries. —Jill Goldsmith, Deadline, 16 Mar. 2025

This impressive high-definition display unit solves one of these problems, offering high-resolution displays with plug-and-play functionality at – right now – an excellent price. —New Atlas, 11 Mar. 2025

The faster spec was designed to help accommodate the growing demands for data-hungry applications, such as high-definition (1080p) and 4K video and multimedia streaming, online gaming, and faster data transfers with mobile devices. —PCMAG, 11 Mar. 2025

Blue Ghost will spend the next week collecting samples, drilling into the subsurface and capturing high-definition imagery. —Ashley Strickland, CNN, 8 Mar. 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