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.
Ditching conventional hardware and data dependencies, XPENG’s Robotaxi operates entirely without LiDAR or high-definition maps. Mrigakshi Dixit, Interesting Engineering, 19 May 2026 The Google Cloud logo is displayed on a high-definition digital monolith at the entrance of the Google pavilion during the Mobile World Congress in Barcelona, Spain, on March 5, 2026. Matthew Chin, CNBC, 19 May 2026 Vehicles that can host the feature will allow occupants to stream 60 fps (frames per second) full high-definition video through apps like YouTube when parked (or when charging for electric vehicles). Charles Singh, USA Today, 18 May 2026 The new glasses are expected to run on Google's Android XR operating system with Gemini integration, featuring speakers, microphones, and a high-definition camera, but notably no display. David Phelan, Forbes.com, 14 May 2026 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

Browse Nearby Words

Cite this Entry

“High-definition.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/high-definition. Accessed 25 May. 2026.

Kids Definition

high-definition

adjective
: relating to or being a television with a more detailed and sharper picture than usual
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster