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

After their high-energy routine, Carrie Ann praised their performance and said that Alix created her own style throughout the competition. —Brianne Tracy, PEOPLE, 26 Nov. 2025

The photons in a particle accelerator’s beam dump are intense, high-energy radiation byproducts of the main physics experiment. —Mrigakshi Dixit, Interesting Engineering, 26 Nov. 2025

Although invisible, the plasmasphere acts as a buffer against high-energy particles and helps regulate how disturbances from the sun ripple through near-Earth space, playing a crucial role in protecting satellites, radio signals and navigation systems. —Samantha Mathewson, Space.com, 25 Nov. 2025

For a more high-energy nightlife experience, XS Nightclub is the place to be. —David Morris, Travel + Leisure, 25 Nov. 2025

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