View synonyms for boost


[ boost ]

verb (used with object)

  1. to lift or raise by pushing from behind or below.
  2. to advance or aid by speaking well of; promote:

    She always boosts her hometown.

  3. to boost prices;

    to boost the horsepower of the car by 20 percent.

  4. to administer a booster shot to:

    Have you and your family been boosted yet?

  5. Slang. to steal, especially to shoplift:

    Two computers were boosted from the office last night.

verb (used without object)

  1. Slang. to engage in stealing, especially shoplifting.


  1. an upward shove or raise; lift.
  2. There's been a tremendous boost in food prices.

    Synonyms: uptick, upswing, upsurge, growth, hike

  3. an act, remark, or the like, that helps one's progress, morale, efforts, etc.:

    His pep talk was the boost our team needed.


/ buːst /


  1. encouragement, improvement, or help

    a boost to morale

  2. an upward thrust or push

    he gave him a boost over the wall

  3. an increase or rise

    a boost in salary

  4. a publicity campaign; promotion
  5. the amount by which the induction pressure of a supercharged internal-combustion engine exceeds that of the ambient pressure


  1. to encourage, assist, or improve

    to boost morale

  2. to lift by giving a push from below or behind
  3. to increase or raise

    to boost the voltage in an electrical circuit

  4. to cause to rise; increase

    to boost sales

  5. to advertise on a big scale
  6. to increase the induction pressure of (an internal-combustion engine) above that of the ambient pressure; supercharge


/ bo̅o̅st /

  1. A linear map from one reference frame to another in which each coordinate is increased or decreased by an independent constant or linear function. A boost corresponds to a shift of the entire coordinate system without any rotation of its axes.

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Word History and Origins

Origin of boost1

An Americanism dating back to 1815–25; perhaps Scots dialect boose (variant of pouss push ) + (hoi)st

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Word History and Origins

Origin of boost1

C19: of unknown origin

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Example Sentences

Prepare for takeoff, because quality vacation time will certainly boost your mood.

Unz also notes that a higher minimum wage would discourage illegal immigration and boost consumer spending.

Increasingly, adding solar power to the top of factories can help boost the bottom line.

Firstly, there's the offensive notion that New York needs an ad campaign to boost tourism.

And while everyone benefits from gardens, they can provide an extra boost for kids with special needs.

For skilful attempts to convert a knock into a boost, commend us to the discredited nostrum exploiter.

In that case, we will have to turn in and88 give the fellow what you Americans call a boost.

"Then you'll have to boost the buggy-wheels, that's all," answered Jim.

Too beaten to bite they could only boost one against another like two schoolboys trying to push one another off a form.

I drag Vandeleur in a helpless condition out on the balcony, boost him up on the railing, and push him off.