Esoteric
Esoteric adjective - Difficult for one of ordinary knowledge or intelligence to understand.
Mutual synonyms
Cite this Source
Unsounded and Esoteric. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/esoteric/unsounded
Esoteric & Unsounded. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/esoteric/unsounded>.
Unsounded or Esoteric. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/esoteric/unsounded.
Google Ngram Viewer shows how "esoteric" and "unsounded" have occurred on timeline