Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “boost”


noun [C, usually singular]     /buːst/
an act or event that increases or improves something: Typically sales jump in the autumn , when they get a boost from the back-to-school and holiday shopping seasons . The campaign for pension reform received a boost on Friday . Shares on Wall Street were given a boost by a rally in the US Treasury bond market . a big / major / huge / significant boost
an increase : a boost in sth Motorists who operate diesel-powered vehicles would face a 1.5-cent-a-gallon boost in fuel taxes . The income boost for the two million lowest paid will not take effect until October .
(Definition of boost noun from the Cambridge Business English Dictionary © Cambridge University Press)
Focus on the pronunciation of boost

More Business English definitions for “boost”

Definitions of “boost” in other dictionaries

Word of the Day


a skilled and trained cook who works in a hotel or restaurant, especially the most important cook

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More