Phrase guide

energy level

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

Any of the discrete stable energies that a quantum mechanical system (such as the electrons of an atom) can have.

Definition source: English Wiktionary via Wiktextract

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Used other than figuratively or idiomatically: see energy, level.

Definition source: English Wiktionary via Wiktextract

Examples

  • My energy levels have dropped since I stopped exercising.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a definite stable energy that a physical system can have; used especially of the state of electrons in atoms or molecules

Definition source: Princeton WordNet 3.0

Examples

  • according to quantum theory only certain energy levels are possible

Meaning relationships

Synonyms: energy state

Antonyms: none provided

Broader terms: energy, free energy

History

Etymology

No etymology was provided for this word.

Across languages

Translations

8 source translations are retained for this English entry.

  • Chinese Mandarin: 能級 /能级 (néngjí) — any of the discrete stable energies
  • Esperanto: energinivelo — any of the discrete stable energies
  • Finnish: energiataso — any of the discrete stable energies
  • German: Energieniveau — any of the discrete stable energies
  • Kazakh: энергия деңгейі (énergiä deñgeiı) — any of the discrete stable energies
  • Norwegian: energinivå — any of the discrete stable energies
  • Spanish: nivel energético — any of the discrete stable energies
  • Ukrainian: енергети́чний рі́вень (enerhetýčnyj rívenʹ) — any of the discrete stable energies