booster

noun

1. a person who backs a politician or a team etc.

Similar word(s): admirer, champion, friend, protagonist, supporter

Definition categories: person, advocate, advocator, exponent, proponent

2. someone who is an active supporter and advocate

Similar word(s): plugger, promoter

Definition categories: person, adman, advertiser, advertizer

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

Similar word(s): lifter, shoplifter

Definition categories: person, stealer, thief

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

Definition categories: man–made, amplifier

5. the first stage of a multistage rocket

Definition categories: man–made, rocket

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

Definition categories: man–made, dosage, dose