English Explanatory Dictionary

boost

English dictionary entry

Meanings

noun
  1. A push from behind or below, as to one who is endeavoring to climb.
  2. Something that helps, or adds power or effectiveness; assistance.
  3. A coordinate transformation that changes velocity.
  4. A positive intake manifold pressure in cars with turbochargers or superchargers.
verb
  1. To lift or push from behind (one who is endeavoring to climb); to push up.
  2. To help or encourage (something) to increase or improve; to assist in overcoming obstacles.
  3. To steal.
  4. To jump-start a vehicle by using cables to connect the battery in a running vehicle to the battery in a vehicle that won't start.
  5. To give a booster shot to.
  6. To amplify; to signal boost.

Pronunciation

/buːst/ En-au-boost.ogg /bʉst/

Word forms

boost boosts boosting boosted

Etymology

Unknown. The verb is first recorded 1815; the noun, 1825. Compare Scots boost (“to move; drive off; shoo away”), bost, boast (“to threaten; scold”), Middle English boosten, bosten (“to threaten”). Possible doublet of boast.

Derived words

booster boosterism boostglide boost pad damage boost deboost egoboo egoboost elo boost Lorentz boost megaboost postboost preboost reboost underboost boostable morale-boosting nonboosted overboost unboosted upboost
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