booster (n.)

  1. a person who backs a politician or a team etc.; all their supporters came out for the game; they are friends of the library

    [ Syn: supporter , protagonist , champion , admirer , friend ]

  2. someone who is an active supporter and advocate

    [ Syn: promoter , plugger ]

  3. a thief who steals goods that are in a store

    [ Syn: shoplifter , lifter ]

  4. an amplifier for restoring the strength of a transmitted signal

    [ Syn: booster amplifier , booster station , relay link , relay station , relay transmitter ]

  5. the first stage of a multistage rocket

    [ Syn: booster rocket , booster unit , takeoff booster , takeoff rocket ]

  6. an additional dose that makes sure the first dose was effective

    [ Syn: booster dose , booster shot , recall dose ]

The dictionary is based on the WordNet Electronic Lexical Database.
WordNet 3.0 Copyright 2011 by Princeton University. All rights reserved.