backstreet
US /ˈbæk.striːt/
UK /ˈbæk.striːt/
1.
a street that is away from the main roads, especially in a town or city
:
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The old pub is hidden away down a narrow backstreet.
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We explored the charming backstreets of the historic town.
1.
secret or illegal, especially because it is not officially recognized or approved
:
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They operated a backstreet clinic without proper licenses.
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The novel explores the dark world of backstreet gambling.