Longman Dictionary of Contemporary English homepage

boost

2 noun
     
Related topics: Electricity, Gas, Coal, Oil
boost2
1 [singular] something that gives someone more confidence, or that helps something increase, improve, or become successful
boost to
a major boost to the economy
boost for
a multi-million pound boost for the British film industry
Add a little more vanilla, to give the flavor a boost.
get/receive a boost
The community will get a boost from a new library and recreation center.
morale/ego boost
The poll provided a morale boost for the Conservatives.
2

give somebody a boost (up)

to lift someone so that they can reach a higher place:
If I give you a boost, could you reach the window?
3 [uncountable]TPETPG an increase in the amount of power available to a rocket, piece of electrical equipment etc

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