energy Definition

  • 1the strength and vitality required for sustained physical or mental activity
  • 2power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines
  • 3a feeling of enthusiasm, eagerness, or liveliness

Using energy: Examples

Take a moment to familiarize yourself with how "energy" can be used in various situations through the following examples!

  • Example

    I don't have enough energy to go for a run today.

  • Example

    The energy generated by the wind turbines is used to power the entire town.

  • Example

    The team played with a lot of energy and enthusiasm.

  • Example

    Solar energy is a renewable source of power.

  • Example

    The concert was full of energy and excitement.

energy Synonyms and Antonyms

Synonyms for energy

Antonyms for energy

Idioms Using energy

  • have energy to burn

    have a lot of energy or stamina


    After a good night's sleep, I have energy to burn and can tackle any task.

  • exert effort or enthusiasm towards a task or project


    If we put more energy into our marketing strategy, we could attract more customers.

  • a person who drains others' energy or enthusiasm


    I try to avoid spending too much time with my coworker because he's an energy vampire and always brings me down.

Phrases with energy

  • the energy possessed by an object due to its motion


    The roller coaster has a lot of kinetic energy as it speeds down the track.

  • the energy possessed by an object due to its position or state


    The water at the top of the waterfall has a lot of potential energy before it cascades down.

  • energy that comes from sources that can be replenished, such as solar, wind, or hydro power


    Many countries are investing in renewable energy sources to reduce their reliance on fossil fuels.


Summary: energy in Brief

The term 'energy' [ˈɛnərdʒi] refers to the strength and vitality required for physical or mental activity, as well as power derived from physical or chemical resources. It can also denote a feeling of enthusiasm or liveliness. Examples include 'I don't have enough energy to go for a run today,' and 'The concert was full of energy and excitement.' Phrases like 'kinetic energy' and 'potential energy' refer to types of energy, while idioms like 'have energy to burn' and 'energy vampire' describe people or situations related to energy.

How do native speakers use this expression?