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

Midway through the evening, a high-energy video montage celebrating Tina Turner, Olivia Newton-John, Pink, Janet Jackson, and Cher paid tribute to manager Roger Davies. —Lily Moayeri, Rolling Stone, 29 Jan. 2026

Turnpike Troubadours shows are communal affairs — a blend of high-energy jams and heartfelt ballads. —Travis Pinson, Dallas Morning News, 29 Jan. 2026

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. —Sharon Goldman, Fortune, 28 Jan. 2026

Hugo Gonzalez, Boston’s high-energy, high-impact rookie, did not make the cut for the annual young-player showcase, which will be held during NBA All-Star weekend in Los Angeles. —Zack Cox, Boston Herald, 27 Jan. 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