peripheral Synonyms

peripheral device marginal supplementary edge incidental nonessential exterior outer outermost outlying external secondary ancillary worthless unessential surrounding trivial trifling tangential surface supporting periphery petty remote second side subordinate subsidiary superficial peripherical supplement unimportant irrelevant marginalized noncentral peripherally sensorineural computer peripheral not to the point at the edge peripheral zone not central external device related to input or output out of town far-flung unnecessary footling stapedectomy add-on