high-definition

adjective

high-def·​i·​ni·​tion ˈhī-ˌde-fə-ˈni-shən How to pronounce high-definition (audio)
: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The film, directed by Zhu Yiran, is China’s first ultra-high-definition 8K feature shot entirely in space and chronicles the six-month mission of astronauts Zhai Zhigang, Wang Yaping, and Ye Guangfu aboard the Chinese space station. Naman Ramachandran, Variety, 23 Sep. 2025 In high-performance audio and video applications, such as streaming devices, gaming consoles and high-definition cameras, precise clocking synchronizes data flow and prevents lag, buffering or dropped frames. Markus Lutz, Forbes.com, 15 Sep. 2025 Pure vision uses high-definition cameras to perceive and navigate, but performance falters in poor lighting conditions, and positioning is often lost. Ni Tao, Interesting Engineering, 15 Sep. 2025 These systems, mounted on school buses, use high-definition cameras to detect vehicles that illegally pass when the school bus is stopped and displaying stop signals. Buspatrol - A Mission-Driven Organization, Miami Herald, 12 Sep. 2025 See All Example Sentences for high-definition

Word History

First Known Use

1981, in the meaning defined above

Time Traveler
The first known use of high-definition was in 1981

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Cite this Entry

“High-definition.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/high-definition. Accessed 30 Sep. 2025.

Kids Definition

high-definition

adjective
: relating to or being a television with a more detailed and sharper picture than usual
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