Meaning

• Something that boosts.

• The first stage of a multistage rocket that provides the thrust for liftoff and the initial flight

• A motor-generator set used for voltage regulation in direct current electrical power circuits.

• Someone who is a fan or supporter of something.

• Someone who promotes a town or business

• A member of a booster club.

• A booster dose.

  "When did you get your last tetanus booster?"

• A term that serves to amplify or strengthen an utterance, such as "really".

• A power-up item.

• A package of cards or figurines designed to add to a player's collection.

• A thief.

  "The security guard captured two boosters before they could exit the retail store."