Pale, insipid (6)
I believe the answer is:
pallid
I believe this clue is a double definition.
'pale' is the first definition.
(synonyms)
'insipid' is the second definition.
(thesaurus)
(Other definitions for pallid that I've seen before include "Sickly pale" , "Wan; weak, insipid" , "Pale complexion because of poor health" , "White in face as from illness" , "White in face, perhaps ill" .)