Dictionary definition · busy
verb
- keep busy with"She busies herself with her butterfly collection"
adjective
- actively or fully engaged or occupied"busy with her work"
- overcrowded or cluttered with detail"a busy painting"
- intrusive in a meddling or offensive manner"an interfering old woman"
- crowded with or characterized by much activity"a very busy week"
- (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)"her line is busy"
Source: Open English WordNet (CC BY 4.0).