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

Enjoy a prix fixe brunch while taking in a Pride-special high-energy drag brunch with Amoura Teese, Hera Wynn and Delilah Befierce. —Kate Bradshaw, Mercury News, 30 May 2026

Only rare high-energy events could break the molecule into nitrates that life could use. —Quanta Magazine, 29 May 2026

Additionally, as neutrino creation is accompanied by gamma-ray emission, the model had to ensure that in creating high-energy neutrinos, blazars didn't generate enough gamma-ray radiation to exceed the extragalactic gamma-ray background measured by the Fermi space telescope. —Robert Lea, Space.com, 28 May 2026

Power strips are not intended for high-energy appliances like refrigerators, space heaters, microwaves, or air fryers. —Jessica Safavimehr, Southern Living, 28 May 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