AskDefine | Define booster

Dictionary Definition



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 the first stage of a multistage rocket [syn: booster rocket, booster unit, multistage rocket, takeoff booster, takeoff rocket]
5 an additional dose that makes sure the first dose was effective [syn: booster dose, booster shot, recall dose]

User Contributed Dictionary



  1. Something that boosts.
  2. The first stage of a multistage rocket that provides the thrust for liftoff and the initial flight
  3. Someone who is a fan or supporter of something.
  4. A member of a booster club.
  5. A booster dose.
    When did you get your last tetanus booster?


Something that boosts
The first stage of a multistage rocket
Someone who is a fan or supporter of something
A member of a booster club
A booster dose

Extensive Definition

Booster may refer to:
In science and technology:
  • Booster (electric power), a motor-generator set used for voltage regulation in direct current electrical power circuits
  • Booster dose, or booster shot, in medicine, a vaccination given after a previous vaccination
  • Booster rocket used in space flight to provide the main thrust in the initial phase of the rocket's flight
  • Booster engine, extra cylinders on a steam locomotive, driving the trailing truck or a tender truck, to give more power on starting
  • Explosive booster, a bridge between a low energy explosive and a low sensitivity explosive
  • A co-channel repeater in broadcasting, used to improve signal strength
In amusement park rides:
In other uses:

See also

booster in German: Booster
booster in French: Booster
booster in Korean: 부스터 (동음이의)
booster in Italian: Booster
booster in Japanese: ブースター (曖昧さ回避)

Synonyms, Antonyms and Related Words

Comsat, Intelsat, Syncom, Telstar, adherent, admirer, amateur, antitoxin, applauder, appreciator, bag, bang, blind, body snatcher, bonnet, booster amplifiers, booster dose, booster rocket, booster shot, boosters, buff, capper, chicken thief, claqueur, collector, commender, communication satellite, con man, crook, deck, den of thieves, devotee, dilettante, dose, draft, dropping, drug packet, embezzler, encomiast, eulogist, eulogizer, extoller, fan, fancier, filcher, fix, follower, ganef, ghoul, grafter, grave robber, groupie, hit, hypodermic, hypodermic injection, idolater, idolizer, injection, inoculation, jet injection, jewel thief, land pirate, land shark, land-grabber, larcener, larcenist, lauder, lifter, mainlining, multistage rocket, narcotic injection, narcotic shot, overdose, panegyrist, peculator, petty thief, pilferer, plugger, poacher, popping, portion, potion, praiser, promoter, prowler, puffer, purloiner, relay links, robber, rooter, scrounger, shill, shooting up, shoplifter, shot, single-stage rocket, skin-popping, sneak thief, stealer, step rocket, stick, stratovision, swindler, thief, three-stage rocket, tout, touter, vaccination, vaccine, votary, white-collar thief, worshiper
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