high definition


  1. a system for screen display of images that are sharper and more detailed than normal, having many more than the standard number of scanning lines per frame: : HD high-definition television.

    Most TV shows are available in high definition.

  2. an audio system that reproduces sound with a high degree of accuracy and clarity: : HD

    music recordings that use high definition.

  3. an optical system that produces very sharp images. : HD

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Other Words From

  • high-defi·nition adjective

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Word History and Origins

Origin of high definition1

First recorded in 1980–85

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Example Sentences

There’s a generosity and biting humor that imbues his stories, with glittering descriptions that render our food-and-drink-obsessed culture in liquid-crystal high definition.

From Eater

Middle range models offer an improved high definition screen resolution with full Adobe RGB hues, and a native display of 1,920 by 1,080 pixels, also known as 1080p.

Nor does the jet have the ability to capture high-definition video, utilize an infra-red pointer.

Rembrandt: The Late Works will screen in theaters worldwide in 45 countries from February 17 in high definition.

They get the high definition thrill of jumping from train car to train car dodging explosions and still scoring a knife kill.

By 2015, the robot must travel 500 meters (roughly 1/3 of a mile) and send high definition images/video back to Earth.

The team was not able to view the high-definition images on board the ship.





high dayhigh definition multimedia interface