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boost Meaning, Definition & Usage

  1. noun the act of giving hope or support to someone
    encouragement.
  2. noun an increase in cost
    hike; rise; cost increase.
    • they asked for a 10% rise in rates
  3. noun the act of giving a push
    • he gave her a boost over the fence
  4. verb increase
    hike up; hike.
    • The landlord hiked up the rents
  5. verb give a boost to; be beneficial to
    • The tax cut will boost the economy
  6. verb contribute to the progress or growth of
    advance; encourage; promote; further.
    • I am promoting the use of computers in the classroom
  7. verb increase or raise
    advance; supercharge.
    • boost the voltage in an electrical circuit
  8. verb push or shove upward, as if from below or behind
    • The singer had to be boosted onto the stage by a special contraption
WordNet

Boost transitive verb
Etymology
Cf. Boast, v. i.
Wordforms
imperfect & past participle Boosted; present participle & verbal noun Boosting
Definitions
  1. To lift or push from behind (one who is endeavoring to climb); to push up; hence, to assist in overcoming obstacles, or in making advancement. Colloq. U. S.
Boost noun
Definitions
  1. A push from behind, as to one who is endeavoring to climb; help. Colloq. U. S.

Webster 1913