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

Lindy Hoppers around the country and the world are captivated by Gee’s high-energy shows. —Jem Aswad, Variety, 16 Apr. 2026

The Harlem Wizards are a high-energy basketball team known for combining athleticism, comedy, and crowd engagement in an entertaining, family-friendly game. —Stephanie Ogilvie, San Diego Union-Tribune, 15 Apr. 2026

This event will help usher in newcomers and existing members alike with a high-energy atmosphere and many opportunities to make memories. —Patrick Connolly, The Orlando Sentinel, 15 Apr. 2026

By suppressing energy losses and improving how high-energy photons are handled, the system addresses one of the core inefficiencies in solar conversion. —New Atlas, 13 Apr. 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