Fair to middling
'fair to middling' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for so-so that I've seen before include "Of average quality" , "Mediocre" , "'Passable, middling (2-2)'" , "Barely passable" , "Tolerable, indifferent" .)
'fair to middling' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for soso that I've seen before include "Indifferent" , "mediocre" .)