high-energy

adjective

high-en·​er·​gy ˈhī-ˈe-nər-jē 

1

a

: having such speed and kinetic energy as to exhibit relativistic departure from classical laws of motion

—used especially of elementary particles whose velocity has been imparted by an accelerator

b

: of or relating to high-energy particles

2

: yielding a relatively large amount of energy when undergoing hydrolysis

Examples of high-energy in a Sentence

Recent Examples on the Web

At this exclusive, high-energy event, the world’s most innovative leaders will convene to explore how AI, humanity, and strategy converge to redefine, again, the future of work. —Preston Fore, Fortune, 19 Feb. 2026

And Liu was all smiles through a high-energy choreographic sequence. —Sean Nevin, NBC news, 19 Feb. 2026

Designed to be immersive and high-energy, the experience will celebrate creativity, culture, and the next generation of flavor with more details announced soon. —Kirby Adams, Louisville Courier Journal, 18 Feb. 2026

Some of the remains are fed to the central black hole, while much of it is blasted away at near-light speeds as high-energy jets. —Robert Lea, Space.com, 18 Feb. 2026

Word History

First Known Use

1934, in the meaning defined at sense 1a

Rhymes for high-energy

• bioenergy
• energy

Medical Definition

high-energy

adjective

: yielding a relatively large amount of energy when undergoing hydrolysis

high-energy phosphate bonds in ATP