energy level

noun

: one of the stable states of constant energy that may be assumed by a physical system
used especially of the quantum states of electrons in atoms and of nuclei

called also energy state

Examples of energy level in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Shah, along with a clinical psychologist and a leadership coach, explain how to banish daily bouts of tiredness and boost energy levels in both body and mind. Andee Tagle, NPR, 19 Mar. 2026 These nutrients help stabilize blood sugar, keep you full longer and support energy levels throughout the day. Fred Sassani, Austin American Statesman, 19 Mar. 2026 This is the third one, but the energy level and audience excitement gets bigger each time. Rob Sheffield, Rolling Stone, 15 Mar. 2026 Energy drinks are designed to boost energy levels via caffeine and other stimulants, such as glucose. Laura Dorwart, Verywell Health, 11 Mar. 2026 See All Example Sentences for energy level

Word History

First Known Use

1902, in the meaning defined above

Time Traveler
The first known use of energy level was in 1902

Cite this Entry

“Energy level.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/energy%20level. Accessed 20 Mar. 2026.

Kids Definition

energy level

noun
: one of the stable states of constant energy that may be assumed by a physical system
used especially of the states of electrons in atoms

More from Merriam-Webster on energy level

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster