substantial Pronunciation: /səbˈstænʃl/Translate substantial | into German | into Italian | into Spanish French translation of substantialadj 1 (considerable) considérable; [sum, quantity] important/-e; [meal] substantiel/-ielle 2 (solid) [proof, lock] solidesubstantial in other Oxford dictionaries Definition of substantial in the British & World English dictionary Definition of substantial in the US English dictionary
