List of peripheral synonyms and peripheral related words.
ambient, apparent, beside the point, circling, circumambient, circumferential, circumflex, circumfluent, circumfluous, circumjacent, cortical, delineatory, embracing, encircling, enclosing, encompassing, enfolding, enveloping, environing, epidermic, exomorphic, exterior, external, extrinsic, fringe, in outline, incidental, inessential, irrelevant, minor, neighboring, open, out, outer, outermost, outlined, outlying, outmost, outside, outstanding, outward, outward-facing, perimetric, public, roundabout, secondary, seeming, suburban, superficial, surface, surrounding, tangential, unessential, unimportant, unnecessary, wrapping