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IELTS BNC: 765 COCA: 615

energy

noun

en·​er·​gy ˈe-nər-jē How to pronounce energy (audio)
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

Synonyms

Choose the Right Synonym for energy

power, force, energy, strength, might mean the ability to exert effort.

power may imply latent or exerted physical, mental, or spiritual ability to act or be acted upon.

the awesome power of flowing water

force implies the actual effective exercise of power.

used enough force to push the door open

energy applies to power expended or capable of being transformed into work.

a worker with boundless energy

strength applies to the quality or property of a person or thing that makes possible the exertion of force or the withstanding of strain, pressure, or attack.

use weight training to build your strength

might implies great or overwhelming power or strength.

the belief that might makes right

Example Sentences

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 The match was also testament to the power of youthful energy and low mileage knees. Jason Gay, WSJ, 8 Sep. 2022 The top three sectors in July and August were consumer discretionary (nonessential goods and services, like cars and entertainment), energy, and materials. Sheryl Estrada, Fortune, 7 Sep. 2022 The Diamondbacks’ youth, energy and athleticism has fueled their recent run. Nick Piecoro, The Arizona Republic, 7 Sep. 2022 Created by architect David Hertz, the machine uses biomass—like plants or wood—to make renewable energy and drinkable water. Ellen Wexler, Smithsonian Magazine, 7 Sep. 2022 The World Health Organization says that droughts can have a serious impact on health, agriculture, economies, energy and the environment. Brian Amaral, BostonGlobe.com, 6 Sep. 2022 Kate Galbraith is The Chronicle's Climate Editor, overseeing energy and environment coverage. Kate Galbraith, San Francisco Chronicle, 5 Sep. 2022 How should the rest of us think about real solutions to serious energy and environmental problems? Los Angeles Times, 5 Sep. 2022 In April, the STB held hearings on the meltdown, where representatives from sectors including agriculture, energy, and chemicals joined trade unions to complain of poor service and working conditions. WIRED, 1 Sep. 2022 See More

Word History

Etymology

Late Latin energia, from Greek energeia activity, from energos active, from en in + ergon work — more at work

First Known Use

1783, in the meaning defined at sense 1a

Time Traveler
The first known use of energy was in 1783

Phrases Containing energy

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