- to raise by or as by a push from behind or below; push up
- to urge others to support; promote: to boost a program
- to make higher or greater; increase in amount, power, etc.: to boost taxes, boost electric current
- Slang to steal; esp., to shoplift
Origin of boostfrom uncertain or unknown; perhaps
- a push to help propel a person or thing upward or forward
- an act that helps or promotes
- an increase in amount, power, etc.