Entry 1 sense Webster, 1913 Perdurable /(pẽr*dūr"ȧ*b'l; 277)/ · Per·dur·a·ble · IPA /pə(ɹ)ˈdʊəɹəbəl/ 01 n. Very durable; lasting; continuing long. 1. Very durable; lasting; continuing long.[Archaic]