the adjective 'busy' is used to describe someone, something, or some place as having a lot of activity or involvement.
when used as an adjective, 'busy' is generally used to describe someone who is actively engaged in multiple activities or tasks at the same time. It can also be used to describe a place that is filled with activity or a situation that is full of movement.
1. The busy woman was juggling three different jobs.
2. The busy street was lined with shops and cafes.
3. The busy classroom was filled with students studying for their final exams.
When using 'busy' as an adjective, it is typically used to describe a person or a place in an active state. It can also be used to describe a situation that has many moving parts involved.