booster Meaning, Definition & Usage

  1. noun a person who backs a politician or a team etc.
    champion; protagonist; admirer; supporter; friend.
    • all their supporters came out for the game
    • they are friends of the library
  2. noun someone who is an active supporter and advocate
    plugger; promoter.
  3. noun a thief who steals goods that are in a store
    lifter; shoplifter.
  4. noun an amplifier for restoring the strength of a transmitted signal
    relay transmitter; relay link; relay station; booster amplifier; booster station.
  5. noun the first stage of a multistage rocket
    booster unit; booster rocket; takeoff rocket; takeoff booster.
  6. noun an additional dose that makes sure the first dose was effective
    booster shot; booster dose; recall dose.

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