plural energies
1
a
: dynamic quality
narrative energy
b
: the capacity of acting or being active
intellectual energy
c
: a usually positive spiritual force
the energy flowing through all people
2
: vigorous exertion of power : effort
investing time and energy
3
: a fundamental entity of nature that is transferred between parts of a system in the production of physical change within the system and usually regarded as the capacity for doing work
4
: usable power (such as heat or electricity)
also
: the resources for producing such power
Examples of energy in a Sentence
The kids are always so full of energy.
They devoted all their energy to the completion of the project.
They devoted all their energies to the completion of the project.
She puts a lot of energy into her work.
The newer appliances conserve more energy.
Recent Examples on the Web
Alexander Smirnov was sentenced to six years in prison in January after pleading guilty to lying to his FBI handler about the Biden family's ties to a Ukrainian energy company -- in addition to a series of unrelated tax fraud charges.
—
Alexander Mallin, ABC News, 11 Apr. 2025
Charging rates are adjusted to reduce heat (energy loss) and prolong battery life (adaptive charging).
—Simon Hill, Wired News, 10 Apr. 2025
Key challenges, like the risk of exacerbating inequality if access is limited to the rich and the significant energy demands, will need to be addressed.
—Bernard Marr, Forbes.com, 10 Apr. 2025
Wade scored 157 points over the last four games, all Heat wins, and turned in a damn-near-perfect performance in the elimination game, playing with relentless energy on both sides of the ball.
—D. Watkins, The Atlantic, 10 Apr. 2025
See All Example Sentences for energy
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Alexander Mallin, ABC News, 11 Apr. 2025
Charging rates are adjusted to reduce heat (energy loss) and prolong battery life (adaptive charging).
—Simon Hill, Wired News, 10 Apr. 2025
Key challenges, like the risk of exacerbating inequality if access is limited to the rich and the significant energy demands, will need to be addressed.
—Bernard Marr, Forbes.com, 10 Apr. 2025
Wade scored 157 points over the last four games, all Heat wins, and turned in a damn-near-perfect performance in the elimination game, playing with relentless energy on both sides of the ball.
—D. Watkins, The Atlantic, 10 Apr. 2025
See All Example Sentences for energy
Cite this Entry
“Energy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/energy. Accessed 23 Apr. 2025.
Copy CitationKids Definition
energy
noun
en·er·gy
ˈen-ər-jē 
plural energies
1
: power or ability to be active : strength of body or mind to do things or to work
a teacher of great intellectual energy
2
: natural power exerted with force : lively action
work with energy
3
: the capacity (as of heat, light, or running water) for doing work
4
a
: usable power (as heat or electricity)
b
: a source of energy
especially
: a resource (as oil) used to provide energy
Medical Definition
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