Available Definitions:
1) a. - Engaged in some business; hard at work (either habitually or only for the time being); occupied with serious affairs; not idle nor at leisure; as, a busy merchant.
2) a. - Constantly at work; diligent; active.
3) a. - Crowded with business or activities; -- said of places and times; as, a busy street.
4) a. - Officious; meddling; foolish active.
5) a. - Careful; anxious.
6) v. t. - To make or keep busy; to employ; to engage or keep engaged; to occupy; as, to busy one's self with books.