Profound
Profound adjective - Difficult for one of ordinary knowledge or intelligence to understand.
Solid and profound are semantically related. In some cases you can use "Solid" instead the word "Profound" as an adjective or a verb.
Nearby Words: profoundly, profoundness
Cite this Source
Solid and Profound. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/profound/solid
Profound & Solid. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/profound/solid>.
Solid or Profound. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/profound/solid.
Google Ngram Viewer shows how "profound" and "solid" have occurred on timeline