Go in again (7)
'go in again' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for re-enter that I've seen before include "Come back inside" , "compete again" , "Come or go in again" , "Go back in" .)
'go in again' is the definition.
('enter' can be a synonym for 'go in' so perhaps 'reenter' is OK for 'go in again')
This is the entire clue.
(Other definitions for reenter that I've seen before include "Penetrate again" , "Go in again" , "Come back inside" , "Go/come in again" , "Terrene (anag.)" .)