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

piglet

a baby pig

Word of the Day

I won’t tolerate it! Replacing formal words with phrasal verbs.

by Liz Walter,
April 01, 2015
When you are using a language, it is important to understand if a word is formal or informal, so that you can use it in an appropriate way. You might hear people saying dosh for money, or spud for potato, but they wouldn’t write those words in a formal essay. Similarly, a

Read More 

stackin’ p

March 30, 2015
idiom slang earning a lot of money ‘That’s a very generous present.”Yeah, well, she’s stackin’ p, innit?’

Read More