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

Kesha didn’t stray far from her high-energy start, only using three interludes at separate intervals as opportunities to change into a new attire. —Joseph Hernandez, Kansas City Star, 4 June 2026

Well, now the high-energy art form is having a fresh moment. —Phillip Valys, Sun Sentinel, 4 June 2026

This solid layer isolates the reactive processes, stopping leaks and stabilizing the cell during high-energy cycles. —Aman Tripathi, Interesting Engineering, 3 June 2026

Rooms lean into the brand’s signature high-energy aesthetic while remaining extremely functional. —Condé Nast, Condé Nast Traveler, 2 June 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