THESAURUS
perimeter
alentours, ambience, ambit, border, borderlands, borderline, boundaries, boundary, bounds, bourn, bourns, brim, brink, circle, circuit, circumambiencies, circumference, circumjacencies, circumscription, circumstances, compass, confines, context, coordinates, edge, edges, entourage, environing circumstances, environment, environs, fringe, fringes, gestalt, habitat, hem, limitations, limits, marches, margin, metes, metes and bounds, milieu, neighborhood, outlines, outposts, outskirts, pale, parameters, periphery, precincts, purlieus, situation, skirt, skirts, suburbs, surroundings, total environment, verge, verges, vicinage, vicinity
ROGET THESAURUS
perimeter
Outline
N
outline, circumference,
perimeter, periphery, ambit, circuit, lines tournure, contour, profile, silhouette, bounds, coast line, zone, belt, girth, band, baldric, zodiac, girdle, tyre, cingle, clasp, girt, cordon, circlet.