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

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