perceptible UK /pəˈsɛptɪbl̩/US /pɚˈsɛptəbl̩/adjective 1noun 1forms 3 adjective1 •Able to be perceived, sensed, or discerned.Her voice was barely perceptible over the noise, but her gestures made her meaning clear. noun1 •Anything that can be perceived. formsperceptibles · more perceptible · most perceptible