Словарь синонимов английского языка - peripheral

(adj) 1. incidental, unimportant, minor, secondary, inessential or unessential, non-essential, unnecessary, superficial, tangential, irrelevant, beside the point: Let's ignore the peripheral issues for the time being and concentrate on the important ones. 2. circumferential, external, perimetric, outside, outer: The peripheral measurement of the figure is seven inches.