1. [ noun ] (physics) the capacity of a physical system to do work; the units of energy are joules or ergs

"energy can take a wide variety of forms"

Related terms: physical_phenomenon radiation heat work activation_energy electricity energy_level rest_energy nuclear_energy alternative_energy radiant_energy mechanical_energy atomic_energy chemical_energy binding_energy physics
2. [ noun ] an exertion of force
Synonyms: vigor vigour

"he plays tennis with great energy"

Related terms: force athleticism excite
3. [ noun ] enterprising or ambitious drive
Synonyms: get-up-and-go push

"Europeans often laugh at American energy"

Related terms: drive second_wind crusade stimulate
4. [ noun ] an imaginative lively style (especially style of writing)
Synonyms: vigour vim vigor

"his writing conveys great energy"

Related terms: liveliness vitality excite
5. [ noun ] (medicine) a healthy capacity for vigorous activity
Synonyms: vitality vim

"jogging works off my excess energy" "he seemed full of vim and vigor"

Related terms: good_health juice ch'i excite
6. [ noun ] (government) the federal department responsible for maintaining a national energy policy of the United States; created in 1977
Synonyms: Energy_Department doe Department_of_Energy
Related terms: executive_department department_of_energy_intelligence
Similar spelling:   enrage