booster Meaning in the Cambridge Learner’s Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of “booster” - Learner’s Dictionary

booster

noun
 
 
/ˈbuːstər/
a confidence/morale, etc booster something that makes you feel happier or more confidentEncouraging and urging onInspiration and inspiring
[C] an engine on a spacecraft that gives extra power for the first part of a flightSpace travel
(Definition of booster from the Cambridge Learner’s Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website
Word of the Day
coeducational

having male and female students being taught together in the same school or college rather than separately

Word of the Day