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.
This requires me to keep my resources and energy levels high. Bogdan Nesvit, Forbes.com, 18 July 2025 Drinking Coffee First-Thing In the Morning To optimize your daily energy level, avoid drinking coffee first thing in the morning. Laura Schober, Health, 10 July 2025 Eliminating late-afternoon caffeine and swapping evening screen time for reading before bed significantly boosted my sleep quality, energy levels and overall mood — without any hormone therapy. Dr. Jamin Brahmbhatt, CNN Money, 8 July 2025 Bananas are high in potassium, which helps prevent cramping and boosts your blood sugar to keep energy levels from crashing during your day hike. Kade Krichko, Outside Online, 4 July 2025 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 22 Jul. 2025.

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

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