Meaning of BOOST in English
/ buːst; NAmE / verb , noun
■ verb [ vn ]
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) .
( NAmE , informal , becoming old-fashioned ) to steal sth
■ noun [ usually sing. ]
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.
an increase in sth :
a boost in car sales
an increase in power in an engine or a piece of electrical equipment
( especially NAmE ) an act of pushing sb up from behind :
He gave her a boost over the fence.
early 19th cent. (originally US, in sense 4): of unknown origin.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005