busy
Crowded with business or activities; having a great deal going on.
Example
“Be careful crossing that busy street.”
Other meanings
engaged with or preoccupied by an activity or person.
“The director cannot see you now: he's busy.”
Having much work to do; having much to get done.
Example sentences
Word history
From Old English "bisiġ" (busy, occupied, diligent).
Where this comes from
This definition is adapted from “busy” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above, published under CC BY-SA 4.0. This page is published under the same licence.