high-energy

adjective

high-en·​er·​gy ˈhī-ˈe-nər-jē How to pronounce high-energy (audio)
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

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The punk band has garnered a wide-stretching fanbase, combining elements of alt-rock, shoegaze, dream pop and funk with hardcore's classic distorted guitar riffs and high-energy speak-singing. Audrey Gibbs, Nashville Tennessean, 16 Sep. 2025 Whether leading her trio through sultry ballads or high-energy swing numbers, Riketté always delivers a performance that’s both nostalgic and fresh. Joanne Shurvell, Forbes.com, 15 Sep. 2025 On chilly mornings, the hummers will flock to feeders at the first hint of daylight to drink the high-energy nectar. Ernie Cowan, San Diego Union-Tribune, 14 Sep. 2025 Equally notable, the system moved seamlessly from low- to high-energy states on its own, demonstrating that its automatic adjustment isn’t just theory but a working feature. Bojan Stojkovski, Interesting Engineering, 13 Sep. 2025 See All Example Sentences for high-energy

Word History

First Known Use

1934, in the meaning defined at sense 1a

Time Traveler
The first known use of high-energy was in 1934

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Cite this Entry

“High-energy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/high-energy. Accessed 18 Sep. 2025.

Medical Definition

high-energy

adjective
: yielding a relatively large amount of energy when undergoing hydrolysis
high-energy phosphate bonds in ATP
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