ଅର୍ଥ : (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).
ଉଦାହରଣ :
Her line is busy.
Receptionists' telephones are always engaged.
The lavatory is in use.
Kept getting a busy signal.
ଅର୍ଥ : Currently being used.
ଉଦାହରଣ :
Robots are in use throughout industry.