energy level: meaning, definition, pronunciation and examples
B1Neutral, common in both informal and formal contexts. The scientific meaning is formal.
Quick answer
What does “energy level” mean?
The amount of physical or mental vigor, enthusiasm, and activity a person or system has at a given time.
Audio
Pronunciation
Definition
Meaning and Definition
The amount of physical or mental vigor, enthusiasm, and activity a person or system has at a given time.
1) In physics/chemistry: A discrete state that a physical system, such as an atom, molecule, or nucleus, can occupy, associated with a specific quantized energy value. 2) The operational capacity or output potential of an organization, market, or process.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or syntactic differences. Spelling follows national conventions (e.g., 'energise/energize').
Connotations
Identical.
Frequency
Slightly more frequent in US wellness and lifestyle discourse. Scientific usage frequency is equal.
Grammar
How to Use “energy level” in a Sentence
have a [ADJ] energy levelexperience a drop/rise in energy levelkeep one's energy level [ADJ]work at a high energy levelVocabulary
Collocations
Examples
Examples of “energy level” in a Sentence
verb
British English
- The team needs to energy-level the project plan before the launch.
- She energy-levels her tasks throughout the day to avoid burnout.
American English
- We should energy-level our schedule for maximum productivity.
- He energy-levels his workout intensity based on how he feels.
adverb
British English
- He works energy-levelly throughout the morning.
- The system functions more energy-levelly after the upgrade.
American English
- She manages her team energy-levelly, adapting to their rhythms.
- The device runs less energy-levelly when the battery is old.
adjective
British English
- She's very energy-level conscious after her illness.
- It's an energy-level dependent process.
American English
- He takes an energy-level approach to managing his week.
- We saw an energy-level improvement with the new diet.
Usage
Meaning in Context
Business
Refers to employee productivity, team morale, or market activity (e.g., 'The energy level in the startup is incredible.').
Academic
Primarily used in physics and chemistry to describe quantized states in atomic or molecular systems.
Everyday
Refers to personal feelings of being tired or energetic (e.g., 'My energy level is low after lunch.').
Technical
In electronics, can refer to signal strength; in nutrition/sports science, refers to metabolic output.
Vocabulary
Synonyms of “energy level”
Vocabulary
Antonyms of “energy level”
Watch out
Common Mistakes When Using “energy level”
- Using uncountable form incorrectly: 'I have a low energy' (incorrect) vs. 'I have a low energy level' or 'I have low energy' (correct).
- Confusing 'energy' (uncountable) with 'energy level' (countable).
FAQ
Frequently Asked Questions
It is countable. You can have 'a high energy level' or 'low energy levels'.
'Energy' is a general, uncountable noun for the capacity to do work. 'Energy level' is a countable phrase describing the degree or amount of that energy a person/system has at a time.
Yes, informally (e.g., 'The battery's energy level is at 20%'). Formally, in science, it describes quantized states in physical systems like atoms.
No, that is incorrect. You would say 'I have no energy' or 'My energy level is zero/non-existent.'
The amount of physical or mental vigor, enthusiasm, and activity a person or system has at a given time.
Energy level is usually neutral, common in both informal and formal contexts. the scientific meaning is formal. in register.
Energy level: in British English it is pronounced /ˈen.ə.dʒi ˌlev.əl/, and in American English it is pronounced /ˈen.ɚ.dʒi ˌlev.əl/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “Running on empty (very low energy level)”
- “Full of beans (high energy level)”
- “Bursting with energy”
Learning
Memory Aids
Mnemonic
Imagine a battery icon on a phone. A full battery = a high ENERGY LEVEL. A nearly empty battery = a low ENERGY LEVEL.
Conceptual Metaphor
ENERGY IS A FLUID IN A CONTAINER (e.g., 'My energy is drained', 'I need to recharge'). ENERGY IS FUEL (e.g., 'running on fumes').
Practice
Quiz
In which context is 'energy levels' (plural) MOST likely used?