Similar word to visible:

arresting, big as life, bold, clear, conspicuous, detectable, discernible, discoverable, distinguishable, evident, in sight, in view, inescapable, macroscopic, manifest, marked, not hidden, noticeable, observable, obtrusive, obvious, ocular, open, out in the open, outstanding, palpable, patent, perceivable, perceptible, plain, pointed, pronounced, revealed, salient, seen, signal, striking, to be seen, unconcealed, under one's nose, unhidden, unmistakable, viewable, visual