boost - definition and synonyms

verb [transitive] 

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present tense
present participleboosting
past tenseboosted
past participleboosted
  1. 1
    to help something to increase, improve, or become more successful

    a drug that boosts serotonin levels in the body

    an attempt to boost the minister’s popularity

  2. 2
    to make someone feel more positive or more confident
    boost morale/confidence:

    The change of management has boosted morale throughout the company.

  3. 4



    boost up

    to lift someone up, so that they can reach something that is high up