Italian city’s lost its soul, it’s sad (6)
I believe the answer is:
triste
'it's sad' is the definition.
(thesaurus)
I cannot understand how the remainder of the clue works.
Can you help me to learn more?
(Other definitions for triste that I've seen before include "Sad in France" , "Valse -- (Sibelius)" , "Old word for sad" , "Sad (arch)" .)