Tra từ boost - Từ điển Oxford Advanced Learner 8th

boost [boost boosts boosted boosting] verb, noun BrE [buːst] NAmE [buːst]
verb
1. ~ sth to make sth increase, or become better or more successful
•to boost exports/profits
•The movie helped boost her screen career.
•to boost sb's confidence/morale
•Getting that job did a lot to boost his ego (= make him feel more confident).
2. ~ sth (NAmE, informal, becoming old-fashioned)to steal sth
Verb forms:

Word Origin:
early 19th cent. (originally US, in sense 4): of unknown origin.

Example Bank:
•The new service helped boost pre-tax profits by 10%.
•The total was boosted to nearly $200 by donations from parents.
•an atempt to boost the number of barn owls living in the wild
•to boost her chances of winning next month's election
•A last-minute rush by Christmas shoppers boosted sales.
•Getting that job did a lot to boost his ego.
•to boost productivity/sales/spending
•to boost sb's morale/career/confidence

noun usually singular
1. something that helps or encourages sb/sth
•a great/tremendous/welcome boost
•The tax cuts will give a much needed boost to the economy.
•Winning the competition was a wonderful boost for her morale.
2. an increase in sth
•a boost in car sales
3. an increase in power in an engine or a piece of electrical equipment
4. (especially NAmE)an act of pushing sb up from behind
•He gave her a boost over the fence.

Word Origin:
early 19th cent. (originally US, in sense 4): of unknown origin.

Example Bank:
•The new factory will provide a much-needed boost to the local economy.
•a big boost in exports
•a boost for British products
•a boost to the economy