substantial Pronunciation: /səbˈstænʃl/Translate substantial | into French | into Italian | into Spanish German translation of substantialadj. 1 (considerable) beträchtlich 2 gehaltvoll [Essen] 3 (solid) solide [Möbel, Haus]; wesentlich [Unterschied]substantial in other Oxford dictionaries Definition of substantial in the British & World English dictionary Definition of substantial in the US English dictionary