booster

n. voltage amplifier; immunization injection; follower, supporter

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Noun
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"
(synonym) supporter, protagonist, champion, admirer, friend
(hypernym) advocate, advocator, proponent, exponent
(hyponym) anglophile, anglophil
(derivation) promote, advance, boost, further, encourage
2. someone who is an active supporter and advocate
(synonym) promoter, plugger
(hypernym) advertiser, advertizer, adman
(hyponym) barker
(derivation) promote, advance, boost, further, encourage
3. a thief who steals goods that are in a store
(synonym) shoplifter, lifter
(hypernym) thief, stealer
4. the first stage of a multistage rocket
(synonym) booster rocket, booster unit, multistage rocket, takeoff booster, takeoff rocket
(hypernym) rocket, rocket engine
(derivation) boost
5. an additional dose that makes sure the first dose was effective
(synonym) booster dose, booster shot, recall dose
(hypernym) dose

v. stimulate, invigorate, improve, enhance, reinforce, strengthen, fortify, increase

nm. booster, voltage amplifier, immunization injection

n. booster, voltage amplifier