Exurb is a noun that refers to a district beyond the suburbs.

Our word of the day was coined in 1955 by author A.C. Spectorsky in reference to regions that were far beyond the suburbs. The word combines The prefix E-X (meaning ‘out of’) with U-R-B (meaning city). Here’s an example of it in use:

Having grown up in an exurb, I wasn’t accustomed to crowded environments. Out there, our family would practically have entire blocks to ourselves.