Dictionary definition · boost
noun
- the act of giving hope or support to someone
- an increase in cost"they asked for a 10% rise in rates"
- the act of giving a push"he gave her a boost over the fence"
verb
- increase"The landlord hiked up the rents"
- give a boost to; be beneficial to"The tax cut will boost the economy"
- contribute to the progress or growth of"I am promoting the use of computers in the classroom"
- increase or raise"boost the voltage in an electrical circuit"
- push or shove upward, as if from below or behind"The singer had to be boosted onto the stage by a special contraption"
Source: Open English WordNet (CC BY 4.0).