Wide (5)
'wide' is the definition.
(synonyms)
This is all the clue.
(Other definitions for broad that I've seen before include "East Anglian waterway" , "Board (anag.)" , "not detailed" , "Open" , "dame" .)
(Other definitions for awake that I've seen before include "Come to" , "Tossing and turning" , "Alive and alert" , "Make active again" , "Stop sleeping" .)