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Definitions of booster
  1. noun
    an additional dose that makes sure the first dose was effective
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  2. noun
    the first stage of a multistage rocket
  3. noun
    a thief who steals goods that are in a store

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  4. noun
    a person who backs a politician or a team etc.
  5. noun
    someone who is an active supporter and advocate

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  6. noun
    an amplifier for restoring the strength of a transmitted signal
Antonyms of booster
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