1. A person (or thing) that breaks up or overpowers something
   "crime buster"; "dam buster"; "sanction buster"
    
2. A person who breaks horses
   "The skilled bronco buster tamed even the wildest horses at the ranch";
   - bronco buster [US, informal], broncobuster [US, informal]
    
3. A robust child
   "The toddler was a real buster, always running and climbing"
    
4. An informal form of address for a man
   "Hey buster, what's up?";
   - fellow, dude [informal], matey [Brit, informal], cock [Brit, informal], bruv [UK, informal], bro [US, informal], bo [US, informal]
    
5. [N. Amer, informal] A person born in the generation following the baby boom when the birth rate fell dramatically
   "As a baby buster, she faced different economic challenges than her baby boomer parents";
   - baby buster [N. Amer, informal]

Derived forms: busters

Type of: actor, adult male, bozo [N. Amer, informal], cat [N. Amer, informal], chappie [Brit, informal], child, doer, equestrian, geezer [Brit, informal], guy [informal], hombre [N. Amer, informal], horseback rider, kid [informal], kiddie [informal], kiddy [informal], man, minor, nestling [informal], nipper [informal], shaver [informal], small fry [informal], sod [informal], tiddler [Brit, informal], tike [informal], tyke [informal], wean [UK, Ireland, dialect], worker, youngster

Encyclopedia: Buster, John