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

They’re made of the brand’s fast-drying fabric called Everlux, which wicks away moisture to prevent sweat marks and stains during even the most high-energy workouts. —Caley Sturgill, Southern Living, 9 Jan. 2026

Young Musicians Unite’s flagship band Undercover delivered a high-energy performance as the opener at the annual holiday concert at the Kaseya Center presented by iHeartRadio and Y100. —Christina Mayo, Miami Herald, 8 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. —Emma Burleigh, Fortune, 7 Jan. 2026

Across generations, the focus is on intentional travel, comfort, and personalization, whether that’s a boutique hotel stay, an RV road trip, or a short, high-energy getaway. —Samantha Leal, Travel + Leisure, 6 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