Busy (of a phone line) (7)
I believe the answer is:
engaged
(Other definitions for engaged that I've seen before include "looking forward to the match?" , "Started to fight" , "Plighted; hired" , "tied up" , "Busy - fiancee" .)
I believe the answer is:
engaged
(Other definitions for engaged that I've seen before include "looking forward to the match?" , "Started to fight" , "Plighted; hired" , "tied up" , "Busy - fiancee" .)