Circumferential

a.

1.

Pertaining to the circumference; encompassing; encircling; circuitous.

Noun	1.	circumferential - a road that takes traffic around the edge of a town Synonyms: bypass, ring road
Adj.	1.	circumferential - lying around or just outside the edges or outskirts; "circumferential highways around cities"

ambient, circling, circumambient, circumflex, circumfluent, circumfluous, circumjacent, delineatory, embracing, encircling, enclosing, encompassing, enfolding, enveloping, environing, in outline, neighboring, outlined, perimetric, peripheral, roundabout, suburban, surrounding, wrapping