What is the meaning of Busy?

Crowded with business or activities; having a great deal going on.

Engaged in activity or by someone else.

Having a lot going on; complicated or intricate.

Officious; meddling.

To make somebody busy or active; to occupy.

(Can we verify this sense?) To rush somebody. (Can we add an example for this sense?)

A police officer.

Alternative form of bisy

Source: wiktionary.org