Busy, industrious, diligent, assiduous, sedulous mean actively engaged or occupied Busy road • for this reason, start by choosing a relatively quiet environment rather than a busy road. 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 • dennis had a very busy schedule with all of these commitments 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
