energy

Meanings

• (physics) a thermodynamic quantity equivalent to 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"
• forceful exertion
  • "he plays tennis with great energy"
• enterprising or ambitious drive
  • "Europeans often laugh at American energy"
• an imaginative lively style (especially style of writing)
  • "his writing conveys great energy"
• a healthy capacity for vigorous activity
  • "jogging works off my excess energy"
• any source of usable power
  • "the DOE is responsible for maintaining the energy policy"
• the federal department responsible for maintaining a national energy policy of the United States; created in 1977

Synonyms

Department of Energy, DOE, Energy Department, free energy, get-up-and-go, muscularity, push, vigor, vigour, vim, vitality, zip