Profound
Profound adjective - Difficult for one of ordinary knowledge or intelligence to understand.
Reliable and profound are semantically related. In some cases you can use "Reliable" instead an adjective "Profound".
Nearby Words: profoundly, profoundness
Cite this Source
Reliable and Profound. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/profound/reliable
Profound & Reliable. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/profound/reliable>.
Reliable or Profound. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/profound/reliable.
Google Ngram Viewer shows how "profound" and "reliable" have occurred on timeline