"Dear" one (3)
'dear one' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for sir that I've seen before include "Poet and novelist" , "Title of 1 across" , "Title of knight or baronet" , "Knight's prefix" , "address to teacher" .)
'dear one' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for beloved that I've seen before include "Dearest, darling" , "Much adored person" , "Very dear" .)