Energy

Pronunciation: /ˈɛnərdʒiː/

Energy (noun)

  1. the strength or power needed to do physical or mental activities
  2. power from electricity, gas, or other sources used to make machines work
  3. the ability to do work, measured in joules, in physics

Examples

  • She had enough energy to finish the project.
  • He lacks the energy to complete the task.

Common collocations: conserve energy, boost energy, renewable energy, energy consumption, kinetic energy