English dictionary



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English noun: energy

1. energy (phenomenon) (physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs


SamplesEnergy can take a wide variety of forms.


Synonymsfree energy


Broader (hypernym)physical phenomenon


Narrower (hyponym)activation energy, alternative energy, atomic energy, binding energy, chemical energy, electrical energy, electricity, energy level, energy of activation, energy state, heat, heat energy, mechanical energy, nuclear energy, radiant energy, radiation, rest energy, separation energy, work


Domain categorynatural philosophy, physics

2. energy (attribute) forceful exertion


SamplesHe plays tennis with great energy.
He's full of zip.


Synonymsvigor, vigour, zip


Broader (hypernym)force, forcefulness, strength


Narrower (hyponym)athleticism, strenuosity

3. energy (attribute) enterprising or ambitious drive


SamplesEuropeans often laugh at American energy.


Synonymsget-up-and-go, push


Broader (hypernym)drive


Narrower (hyponym)second wind

4. energy (attribute) an imaginative lively style (especially style of writing)


SamplesHis writing conveys great energy.
A remarkable muscularity of style.


Synonymsmuscularity, vigor, vigour, vim


Broader (hypernym)life, liveliness, spirit, sprightliness


Narrower (hyponym)verve, vitality

5. energy (state) a healthy capacity for vigorous activity


SamplesJogging works off my excess energy.
He seemed full of vim and vigor.


Synonymsvim, vitality


Broader (hypernym)good health, healthiness


Narrower (hyponym)ch'i, chi, juice, ki, qi

6. energy (phenomenon) any source of usable power


SamplesThe DOE is responsible for maintaining the energy policy.


Broader (hypernym)physical phenomenon

7. Energy (group) the federal department responsible for maintaining a national energy policy of the United States; created in 1977


SynonymsDepartment of Energy, DOE, Energy Department


Broader (hypernym)executive department


Part holonymDepartment of Energy Intelligence, DOEI









Based on WordNet 3.0 copyright © Princeton University.
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