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. In some cases you can use "Strong" instead the word "Substantial" as an adjective or an adverb, when it comes to topics like continue, important. popular alternative
Mutual synonyms
Cite this Source
Strong and Substantial. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/substantial/strong
Substantial & Strong. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/substantial/strong>.
Strong or Substantial. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/substantial/strong.
Google Ngram Viewer shows how "substantial" and "strong" have occurred on timeline