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

During Week 1, Irwin and his partner Witney Carson charmed audiences with their jive, which was both a high-energy romp and a sweet homage to the family's outdoorsman history. —Anna Kaufman, USA Today, 24 Sep. 2025

Saweetie boasts high-charting hits, high-profile collaborations and a high-energy presence that dominates music, fashion, and culture. —Christopher Claxton, Billboard, 22 Sep. 2025

Omni-Grip traction on these shoes keeps you steady on slick or uneven terrain, while cushioning with high-energy return helps power each step. —Rosie Marder, Travel + Leisure, 21 Sep. 2025

Duluth’s Trampled by Turtles, the only local(ish) band in the day’s lineup, delivered a high-energy set, with Ryan Young just shredding the fiddle. —Jared Kaufman, Twin Cities, 21 Sep. 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