- 1great enough for you to notice it synonym noticeable a perceptible change/increase/decline/impact The price increase has had no perceptible effect on sales. Her foreign accent was barely perceptible.
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- 2(technology) that you can notice or feel with your senses the perceptible world opposite imperceptible perceive verbperception nounperceptive adjectiveperceptible adjective (≠imperceptible)
NAmE//pərˈsɛptəbli//
adverb Income per head rose perceptibly. It was perceptibly colder. His voice softened perceptibly.See perceptible in the Oxford Advanced Learner's DictionaryCheck pronunciation: perceptible