Ingrained (4-6)
'ingrained' is the definition.
(I know that ingrained can be written as deep-seated)
This is the entire clue.
(Other definitions for deep-seated that I've seen before include "Firmly fixed" , "Firmly-established" .)
'ingrained' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for chronic that I've seen before include "rubbish" , "Deep-seated - long-lasting" , "(Of illness) lasting a long time" , "(Of a problem) long-lasting" , "(Of illness) lengthy; very bad (colloq.)" .)