- To boost is defined as to raise, push higher, increase or promote.
An example of to boost is a man lifting a woman onto his shoulders.
- 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 boost; from 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.
verbboost·ed, boost·ing, boosts
- To raise or lift by pushing up from below. See Synonyms at lift.
- a. To increase; raise: boost prices; efforts to boost participation in the program.b. To assist in further development or progress: a bill intended to boost local charities.
- To stir up enthusiasm for; promote vigorously: boosted their school with rallies and fund drives.
- Electricity To increase the voltage of (a circuit).
- Slang To steal or rob, especially by shoplifting or pickpocketing.
- A push upward or ahead.
- An encouraging act or comment.
- An increase: a big boost in salary.
Origin of boostPerhaps from dialectal boostering, bustling, active.
(third-person singular simple present boosts, present participle boosting, simple past and past participle boosted)
The verb is first recorded 1815; the noun, 1825.