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
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Dehydration has also been shown to impact mood, energy levels, and mental performance in people of all ages. Jillian Kubala, Health, 5 Feb. 2026 The result is a real, measurable boost in energy levels, not just a placebo effect. Kathleen Ferraro, Verywell Health, 4 Feb. 2026 Set honest expectations so that everyone can adjust plans and protect their energy levels without drama. Tarot.com, Hartford Courant, 30 Jan. 2026 Feel free to implement those on your second or third round of the circuit if your energy levels rise–or ignore them entirely. Jenny McCoy, Outside, 30 Jan. 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 9 Feb. 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

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