At night, unlit street's bordering French city (8)
I believe the answer is:
starless
'at night unlit' is the definition.
I can't judge whether this defines the answer.
'street's bordering french city' is the wordplay.
'street's' becomes 'st's' (abbreviation).
'bordering' indicates putting letters inside.
'french city' becomes 'Arles' (city in France).
'sts' enclosing 'arles' is 'STARLESS'.
Can you help me to learn more?
(Other definitions for starless that I've seen before include "with nobody famous appearing" , "Black" , "Like The Sky At Night, sometimes" , "Dark" , "like a low-budget movie?" .)