Reserve, extremely unpopular, with bar in the outskirts of a city (8)
I believe the answer is:
suburban
'outskirts of a city' is the definition.
'suburban' can be an answer for 'city' (thesaurus). I am unsure of the 'outskirts of a' bit.
'reserve extremely unpopular with bar' is the wordplay.
'reserve' becomes 'sub' (substitute).
'extremely' means to remove the middle letters (only the extremes of the word are used).
'with' means one lot of letters go next to another.
'bar' becomes 'ban' (bar can mean to ban or prohibit).
'unpopular' with its middle removed is 'ur'.
'sub'+'ur'+'ban'='SUBURBAN'
'in the' acts as a link.
Can you help me to learn more?
(Other definitions for suburban that I've seen before include "Like outer city areas" , "Residential district on a city's outskirts" , "Relating to outer city areas" , "Relating to outskirts of city" , "Provincial" .)