Holiday (8)
'holiday' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for vacation that I've seen before include "An American holiday" , "Holiday period" , "break" , "Leave" , "Leisure time away from work" .)
'holiday' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for leave that I've seen before include "Don't take - time off" , "Depart on job holiday" , "Skip" , "Permission - time off" , "Insufficient foliage" .)