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.
Dogs Often Mimic Their Owners' Behavior Dogs can unconsciously mirror human actions, moods, and energy levels—a phenomenon called behavioral synchrony. Lydia Patrick, MSNBC Newsweek, 5 July 2025 Fluctuations in blood sugar can affect your energy levels, mood, and food cravings, and can also increase your risk of developing health conditions like type 2 diabetes. Jillian Kubala, Health, 1 July 2025 Jessica de Bloom, Professor of Occupational Health Psychology at the University of Groningen, and her research team followed approximately 100 workers over seven weeks, asking them about their health, mood, and energy levels before, during, and after a vacation. Lieke Ten Brummelhuis, Forbes.com, 29 June 2025 If that sounds like you, trying to eat every three to four hours may help keep your mood, focus, appetite, and energy levels stable. Caroline Tien, SELF, 26 June 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://x0upouf933.proxynodejs.usequeue.com/dictionary/energy%20level. Accessed 12 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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