boost

boost · verb

imported

Definitions

verb

  1. 1.

    To help or encourage something to increase or improve.

  2. 2.

    To push or lift someone from below.

  3. 3.

    [informal]To steal.

  4. 4.

    To increase the power or volume of an electronic signal.

  5. 5.

    An increase or improvement.

  6. 6.

    A push from below to help someone climb.

Forms

plural: boosts

Phrases & expressions

  • booster shot — an additional dose of vaccine
  • ego boost — something that increases self-confidence
  • morale boost — something that improves spirits

Related words

Antonyms: decrease, lower, reduce
See also: enhance, increase, lift
Synonyms: enhance, increase, lift, raise

Etymology

Origin uncertain; possibly dialectal English. First recorded in the early 19th century in American English.