"Already?" (2,3)
'already?' is the definition.
(I've seen this in another clue)
This is all the clue.
'already' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for before that I've seen before include "In sight of" , "In front - earlier" , "Prior to" , "In advance" , "In front of or previous to" .)