buster meaning and definition

BUSTER noun

Definition of buster (noun)

1. an informal form of address for a man
   • "Say, fellow, what are you doing?"; "Hey buster, what's up?"
   • synonyms: dude, fellow
2. a robust child
3. a person who breaks horses
   • synonyms: bronco buster, broncobuster
4. a person (or thing) that breaks up or overpowers something
   • "dam buster"; "sanction buster"; "crime buster"
5. a person born in the generation following the baby boom when the birth rate fell dramatically
   • synonyms: baby buster