busy - verb

• keep busy with

busy - adjective

• actively or fully engaged or occupied
• overcrowded or cluttered with detail
• intrusive in a meddling or offensive manner
• crowded with or characterized by much activity
• (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)

busy - thesaurus

busybodied   engaged   fussy   interfering   meddlesome   meddling   occupy   officious