busy
verb.
keep busy with
She busies herself with her butterfly collection
Synonym: occupy
adj.
actively or fully engaged or occupied
busy with her work|a busy man|too busy to eat lunch
adj.
overcrowded or cluttered with detail
a busy painting|a fussy design
Synonym: fussy
adj.
intrusive in a meddling or offensive manner
an interfering old woman|bustling about self-importantly making an officious nuisance of himself|busy about other people's business
adj.
crowded with or characterized by much activity
a very busy week|a busy life|a busy street|a busy seaport
adj.
(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|receptionists' telephones are always engaged|the lavatory is in use|kept getting a busy signal
Synonym: engaged, in use
Antonym: idle