energy

/ˈɛnərdʒi/
noun
  1. The strength and vitality required for physical or mental activity.
    • She put all her energy into studying for the final exam.
    • After a good night's sleep, I had plenty of energy to play soccer.
    • The children have so much energy that they run around the park for hours.
  2. Power derived from physical or chemical resources, especially to provide light, heat, or electricity.
    • Turning off lights saves energy and reduces your electricity bill.
    • Solar panels convert sunlight into energy for homes.
    • The country is investing in renewable energy sources like wind and water.
  3. A feeling of enthusiasm and determination.
    • The team played with great energy and won the championship.
    • Her positive energy made everyone feel welcome at the party.
    • The speaker's energy kept the audience engaged for the entire lecture.
Antonyms