Vulgar locality lacking distinction (11)
I believe the answer is:
commonplace
'lacking distinction' is the definition.
Although both the answer and definition are singular nouns, I don't understand how one could define the other.
'vulgar locality' is the wordplay.
'vulgar' becomes 'common' (synonyms).
'locality' becomes 'place' (place is a kind of locality).
'common'+'place'='COMMONPLACE'
Can you help me to learn more?
(Other definitions for commonplace that I've seen before include "Not unusual" , "Frequent" , "Ordinary, everyday" .)