1. booster - Noun
2. booster - Verb
an additional dose that makes sure the first dose was effective
the first stage of a multistage rocket
an amplifier for restoring the strength of a transmitted signal
a thief who steals goods that are in a store
someone who is an active supporter and advocate
a person who backs a politician or a team etc.
Source: WordNetYou know, when someone prefers their own brother over you, it isn't a confidence booster. Cassandra Clare
Relational processing entails treating whole relationships as operands. Its primary purpose is loop-avoidance, an absolute requirement for end users to be productive at all, and a clear productivity booster for application programmers. E. F. Codd
Bud Johnson, God rest his soul of fame, a tenor saxophonist. Bud was always a big, big, big booster of mine and he always when I first met Bud in Pittsburgh when he came through there, he heard me sing and he wanted me to come to Chicago. Billy Eckstine
Having your work honored nationally is a great morale booster. Ellen Gilchrist
Exercise may very well be the most effective instant happiness booster of all activities. Sonja Lyubomirsky
all their supporters came out for the game Source: Internet