booster

boost·er

noun \ˈbü-stər\

Definition of BOOSTER

: one that boosts: as a : an enthusiastic supporter b : an auxiliary device for increasing force, power, pressure, or effectiveness c slang : shoplifter d : a radio-frequency amplifier for a radio or television receiving set e : the first stage of a multistage rocket providing thrust for the launching and the initial part of the flight f : a substance that increases the effectiveness of a medicament; especially : booster shot

Examples of BOOSTER

1. These exercises are real metabolism boosters.
2. Music is my favorite mood booster.
3. A sincere compliment can be a true confidence booster.
4. The university has a number of wealthy boosters who contribute generously each year.
5. a new design for rocket boosters

First Known Use of BOOSTER

1888

Related to BOOSTER

Synonyms: advocate, advocator, apostle, backer, exponent, champion, expounder, espouser, friend, gospeler (or gospeller), herald, hierophant, high priest, paladin, promoter, proponent, protagonist, supporter, true believer, tub-thumper, white knight

Antonyms: adversary, antagonist, opponent

Related Words: loyalist, partisan (also partizan), stalwart; adherent, cohort, disciple, follower; interpreter; applauder, cheerleader, encourager, fellow traveler

Near Antonyms: enemy, foe, rival; belittler, critic, faultfinder

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