Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “energy”

See all translations

energy

noun uk   /ˈen.ə.dʒi/ us    /-ɚ-/

energy noun (STRENGTH)

B1 [U] the power and ability to be physically and mentally active: Since I started eating more healthily I've got so much more energy. I was going to go out this evening, but I just haven't got the energy. [+ to infinitive] I didn't even have the energy to get out of bed. approving Her writing is full of passion and energy (= enthusiasm).energies [plural] the total of all your power and ability to be mentally and physically active: I'm going to channel all my energies into getting a better job.
More examples

energy noun (POWER)

B1 the power from something such as electricity or oil that can do work, such as providing light and heat: The energy generated by the windmill drives all the drainage pumps. energy conservation/efficiency. nuclear energy
More examples
Translations of “energy”
in Korean 힘, 에너지…
in Arabic طاقة, نَشاط…
in French énergie…
in Turkish güç, enerji, (elektrik…
in Italian energia…
in Chinese (Traditional) 力量, 精力, 活力…
in Russian энергия, сила…
in Polish energia…
in Spanish energía…
in Portuguese energia…
in German die Energie…
in Catalan energia…
in Japanese 労力, エネルギー…
in Chinese (Simplified) 力量, 精力, 活力…
(Definition of energy from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of energy?
Add Cambridge dictionaries to your browser to your website

Definitions of “energy” in other dictionaries

Word of the Day

luck

the force that causes things, especially good things, to happen to you by chance and not as a result of your own efforts or abilities

Word of the Day

A certain je ne sais quoi: French words and phrases used in English

by Liz Walter,
January 21, 2015
It is an odd irony that the more sophisticated your use of English is, the more likely you are to use French words and phrases. Or, to be more accurate, ones you know to be French – words such as ballet, au pair, abattoir, fiancé, café, and restaurant are so entrenched in

Read More 

flower beard noun

January 19, 2015
a beard adorned with flowers And some of said beard-rockers are even turning it up a notch, painting trend on top of trend with what’s come to be known as ‘the flower beard.’

Read More