We found 2 dictionaries that define the word outer boroughs:

General (1 matching dictionary)

1. Outer boroughs: Wikipedia, the Free Encyclopedia

Slang (1 matching dictionary)

2. outer boroughs: Urban Dictionary

Opposite: inner city, downtown, urbcenter ▸ Words similar to outer boroughs ▸ Usage examples for outer boroughs ▸ Idioms related to outer boroughs ▸ Wikipedia articles (New!) ▸ Words that often appear near outer boroughs ▸ Rhymes of outer boroughs ▸ Invented words related to outer boroughs