35 synonyms for noticeable such as arresting, apparent, and appreciable. Noticeable is an adjective, and its antonyms are imperceptible, unobtrusive, and inconspicuous.
Apparent, appreciable, arresting, clear, clear-cut, conspicuous, decided, detectable, discernible, distinct, distinguishable, easily seen, evident, manifest, marked, measurable, notable, observable, obvious, palpable, patent, perceivable, perceptible, plain, prominent, pronounced, recognizable, salient, sensible, significant, striking, undeniable, unmistakable, and visible.