boost

Universal Words 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). noun [usuallysing.] 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 AmE) an act of pushing sb up from behind: He gave her a boost over the fence.