Booster — Meaning, Definition & Synonyms

noun /ˈbü-stər/ boost·er

Meaning & Definition of Booster

Booster (noun)

  1. one that boosts
  2. an enthusiastic supporter
  3. an auxiliary device for increasing force, power, pressure, or effectiveness

Booster (noun) — Senses, Synonyms & Antonyms

  1. a person who actively supports or favors a cause

    "rah-rah boosters for the sports team will be attending the game and carrying large signs"

    similar: advocate, advocator, apostle, backer, champion, espouser, exponent, expounder, friend, gospeler, herald, hierophant, high priest, paladin, promoter, proponent, protagonist, supporter, true believer, tub-thumper, white knight
    related: loyalist, partisan, stalwart, adherent, cohort, disciple, follower, interpreter, applauder, cheerleader, encourager, fellow traveler
    opposite: adversary, antagonist, opponent
    near: enemy, foe, rival, belittler, critic, faultfinder

Synonyms, Thesaurus & Another Word for Booster

The most common words with a similar meaning to Booster:

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

Antonyms & Opposite Words for Booster

Words with the opposite meaning of Booster:

adversary, antagonist, opponent

Related Words for Booster

loyalist, partisan, stalwart, adherent, cohort, disciple, follower, interpreter, applauder, cheerleader, encourager, fellow traveler

Near Antonyms of Booster

enemy, foe, rival, belittler, critic, faultfinder

Origin & Etymology of Booster

First known use: 1888

Words & Phrases Containing Booster

booster shot, booster chair, booster dose, booster seat, booster cushion

Frequently Asked Questions about Booster

What does "Booster" mean?

"Booster" means one that boosts. As a noun, it is defined as: one that boosts.

What is another word for "Booster"?

Other words for "Booster" include advocate, advocator, apostle, backer, champion, espouser, exponent and expounder. The best synonym depends on which meaning of "Booster" you intend.

What are different ways to say "Booster"?

There are 33 words and phrases with a similar meaning to "Booster". Common alternatives include advocate, advocator, apostle, backer, champion, espouser, exponent, expounder, friend and gospeler.

What is the opposite of "Booster"?

Antonyms of "Booster" include adversary, antagonist and opponent. Near antonyms include enemy, foe, rival and belittler.

How do you use "Booster" in a sentence?

Examples of "Booster" in a sentence: "rah-rah boosters for the sports team will be attending the game and carrying large signs".

Is "Booster" a noun, verb, or adjective?

"Booster" is a noun.

How do you pronounce "Booster"?

"Booster" is pronounced /ˈbü-stər/ and divided into syllables as boost·er.

What is the origin of the word "Booster"?

First known use: 1888.