Busy, industrious, diligent, assiduous, sedulous mean actively engaged or occupied Engaged in activity, as work Busy chiefly stresses activity as opposed to idleness or leisure.
If you are busy, you are working hard, or giving your attention to a particular thing Ramzi is busy getting ready for meetings. Actively and attentively engaged in work or a pastime.
Actively and attentively engaged, esp He's busy and can't see you (of a telephone line) in use When you are busy, you are working hard or concentrating on a task, so that you are not free to do anything else
They are busy preparing for a hectic day's activity on saturday. The director cannot see you now Her telephone has been busy all day He is busy with piano practice
