—adj. 1. actively and attentively engaged in work or a pastime: busy with her work. 2. not at leisure; otherwise engaged: He couldn't see any visitors because he was busy. 3. full of or characterized by activity: a busy life. 4. (of a telephone line) in use by a party or parties and not immediately accessible.
5. officious; meddlesome; prying.
6. ornate, disparate, or clashing in design or colors; cluttered with small, unharmonious details; fussy: The rug is too busy for this room.
—v.t. to keep occupied; make or keep busy: In summer, he busied himself keeping the lawn in order.