peripheral
I
adjective
beside the point, circumferential, collateral, exterior, external, extraneous, farthest, fringe, impertinent, inconsequential, inessential, irrelevant, on the edge, outer, outermost, outland, outlying, outmost, outside, perimetric, perimetrical, secondary, trivial, ungermane, unimportant, without
II
index
collateral (immaterial), expendable, extraneous, extrinsic, minor, nonessential, null (insignificant)
Burton's Legal Thesaurus.
William C. Burton.
2006