Definition

Noun: 1. A device that supplies electrical energy: An "energiser" is a piece of equipment, such as a battery or power supply, that provides electrical power to make something operate. 2. Someone who imparts energy, vitality, and spirit to other people: An "energiser" is a person whose enthusiasm, dynamism, and positive attitude motivate and invigorate those around them.

Usage Examples

• Noun (Device):
  • The remote control needs a new energiser; the batteries are dead.
  • This solar panel acts as an energiser for the garden lights.
• Noun (Person):
  • Our team leader is a real energiser; she always motivates us before a big project.
  • With his boundless enthusiasm, he was the energiser of the entire party.

Advanced Usage

• "The energiser of the group": A common phrase used to describe the person who is the primary source of motivation and liveliness within a team or social circle.
  • Whenever morale is low, we look to Sarah, the energiser of the group, to lift our spirits.

Variants and Related Words

• Energizer: This is the more common spelling, especially in American English. The meanings are identical to "energiser".
• Energise (Verb): To give energy or vitality to someone or something.
  • A good breakfast will energise you for the day ahead.
• Energy (Noun): The capacity for vigorous activity; power.
• Energising (Adjective): Having the effect of making someone feel more energetic.
  • The music had an energising effect on the crowd.

Synonyms

• For a device: Power source, battery, generator, power supply.
• For a person: Motivator, dynamo, live wire, spark plug, activator, inspirer.

Related Idioms and Phrases

• "A human dynamo": An idiom very similar to the personal meaning of "energiser", describing a person with exceptional energy and drive.
  • She manages a full-time job, volunteers, and runs marathons—she's a human dynamo.
• "To recharge one's batteries": While not directly using the word, this idiom relates to restoring one's energy, which is the opposite function of an energising person or device.
  • I took a quiet holiday to recharge my batteries.

Noun

1. a device that supplies electrical energy
2. someone who imparts energy and vitality and spirit to other people