What is Boost?

Boost definition and meaning on Dictionary terms:
verb (used with object)
to lift or raise by pushing from behind or below.
to advance or aid by speaking well of; promote: She always boosts her hometown.
to increase; raise: to boost prices; to boost the horsepower of the car by 20 percent.

Slang. to steal, especially to shoplift: Two typewriters were boosted from the office last night.

verb (used without object)
Slang. to engage in stealing, especially shoplifting.

an upward shove or raise; lift.
an increase; rise: There’s been a tremendous boost in food prices.

an act, remark, or the like, that helps one’s progress, morale, efforts, etc.: His pep talk was the boost our team needed.