Synonyms of 'external'

alien, apparent, border, circumference, cortex, cortical, covering, crust, envelope, epidermis, exotic, exterior, extraneous, extrinsic, facade, face, facet, foreign, fringe, front, impersonal, integument, objective, open, out, outer, outermost, outline, outlying, outmost, outside, outstanding, outward, over, perceptible, peripheral, periphery, public, rind, roundabout, seeming, shell, skin, superficial, superficies, superstratum, surface, top, visible