energizer
/ˈɛnərˌdʒaɪzər/
noun
- A person or thing that gives energy, enthusiasm, or vitality to others.
- She is the energizer of the team, always motivating everyone before a big game.
- The coach acted as an energizer, getting the crowd excited with his speech.
- A morning run is a great energizer to start the day.
- A battery or device that supplies electrical power.
- I need to buy a new energizer for my electric fence.
- This portable energizer can charge your phone in an emergency.
- The remote control stopped working because the energizer ran out.