Meaning of ENERGY in English

/ ˈenədʒi; NAmE -ərdʒi/ noun


[ U ] the ability to put effort and enthusiasm into an activity, work, etc. :

It's a waste of time and energy.

She's always full of energy .

nervous energy (= energy produced by feeling nervous)


energies [ pl. ] the physical and mental effort that you use to do sth :

She put all her energies into her work.

creative / destructive energies


[ U ] a source of power, such as fuel, used for driving machines, providing heat, etc. :

solar / nuclear energy

It is important to conserve energy.

an energy crisis (= for example when fuel is not freely available)


[ U ] ( physics ) the ability of matter or radiation to work because of its mass, movement, electric charge, etc. :

kinetic / potential, etc. energy



mid 16th cent. (denoting force or vigour of expression): from French énergie , or via late Latin from Greek energeia , from en- in, within + ergon work.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.