Strong
Substantial
Substantial adjective - Of good quality and condition; solidly built.
Usage example: several substantial timber buildings
Strong is a synonym for substantial in sturdy topic. You can use "Strong" instead the word "Substantial" as an adjective or an adverb, if it concerns topics such as continue, important. popular alternative
Mutual synonyms
Cite this Source
Substantial and Strong. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/strong/substantial
Strong & Substantial. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/strong/substantial>.
Substantial or Strong. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/strong/substantial.
Google Ngram Viewer shows how "strong" and "substantial" have occurred on timeline