Person next door (9)
'person next door' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for neighbour that I've seen before include "Adjoin" , "someone close" , "Person alongside" , "Chap next door" , "One lives nearby" .)
'person next door' is the definition.
(I've seen this in another clue)
This is the entire clue.