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.
Bar 101 Eats & Drinks This Old Town Roseville bar at 101 Main St. has a full bar with a big tap beer selection and sports on its 13 high-definition TVs — including a 10-foot screen TV. Marcus D. Smith, Sacramento Bee, 7 Feb. 2025 This is a move away from radio frequency communication and will enable real-time command and control, telemetry transmission, and even high-definition video streaming, in what could be a big step toward establishing sustainable lunar infrastructure. Andrew Jones, Space.com, 31 Jan. 2025 After all, this is the real world, where direct connections can’t be controlled by a joystick and a high-definition television. David John Chávez, The Mercury News, 24 Jan. 2025 The Blue Ghost also plans to capture high-definition imagery of a lunar sunset, as well as a total eclipse just before the frigid lunar night as the Earth blocks the sun. Eric Lagatta, USA TODAY, 21 Jan. 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

Dictionary Entries Near high-definition

Cite this Entry

“High-definition.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/high-definition. Accessed 21 Feb. 2025.

Kids Definition

high-definition

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

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