1. A person who backs a politician or a team etc.
   - supporter, protagonist, champion, admirer, friend 
2. Someone who is an active supporter and advocate
   - promoter, plugger 
3. A thief who steals goods that are in a store
   - shoplifter, lifter 
4. An amplifier for restoring the strength of a transmitted signal
   - booster amplifier, booster station, relay link, relay station, relay transmitter 
5. The first stage of a multistage rocket
   - booster rocket, booster unit, takeoff booster, takeoff rocket 
6. An additional dose that makes sure the first dose was effective
   - booster dose, booster shot, recall dose

Derived forms: boosters

See also: boost

Type of: adman, advertiser, advertizer [US, non-standard], advocate, advocator, amplifier, dosage, dose, exponent, proponent, rocket, rocket engine, stealer, thief

Part of: communication equipment, communication system, multistage rocket, step rocket

Encyclopedia: Booster

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