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Meaning & Definition of Energy in English





1. (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"
  • energy,
  • free energy

2. Forceful exertion

  • "He plays tennis with great energy"
  • "He's full of zip"
  • energy,
  • vigor,
  • vigour,
  • zip

3. Enterprising or ambitious drive

  • "Europeans often laugh at american energy"
  • energy,
  • push,
  • get-up-and-go

4. An imaginative lively style (especially style of writing)

  • "His writing conveys great energy"
  • "A remarkable muscularity of style"
  • energy,
  • muscularity,
  • vigor,
  • vigour,
  • vim

5. A healthy capacity for vigorous activity

  • "Jogging works off my excess energy"
  • "He seemed full of vim and vigor"
  • energy,
  • vim,
  • vitality

6. Any source of usable power

  • "The doe is responsible for maintaining the energy policy"
  • energy

7. The federal department responsible for maintaining a national energy policy of the united states

  • Created in 1977
  • Department of Energy,
  • Energy Department,
  • Energy,
  • DOE

Examples of using

The sun is our most important source of energy.
If you eat three square meals a day, your body will have the energy it needs.
The atomic energy is expensive and dangerous.