1.actively or fully engaged or occupied;
busy with her work
2.overcrowded or cluttered with detail;
a busy painting
3.intrusive in a meddling or offensive manner;
an interfering old woman
4.crowdedwith or characterized by much activity;
a very busy week
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);
her line is busy
1.keep busy with;
She busies herself with her butterfly collection