busy definition

1. keep busy with
• examples: She busies herself with her butterfly collection
2. actively or fully engaged or occupied
• examples: busy with her work
• examples: a busy man
• examples: too busy to eat lunch
3. overcrowded or cluttered with detail
• examples: a busy painting
• examples: a fussy design
4. crowded with or characterized by much activity
• examples: a very busy week
• examples: a busy life
• examples: a busy street
• examples: a busy seaport
5. (of facilities such as telephones or lavatories) unavailable for use by anyone else or indicating unavailability; (`engaged' is a British term for a busy telephone line)
• examples: her line is busy
• examples: receptionists' telephones are always engaged
• examples: the lavatory is in use
• examples: kept getting a busy signal