Arcane
Arcane adjective - Difficult for one of ordinary knowledge or intelligence to understand.
Unascertainable and arcane are semantically related. In some cases you can use "Unascertainable" instead an adjective "Arcane".
Unascertainable
Unascertainable adjective - Not able to be ascertained; resisting discovery.
Show all Definitions
Synonyms for Unascertainable
Arcane and unascertainable are semantically related. Sometimes you can use "Arcane" instead an adjective "Unascertainable".
Mutual synonyms
Cite this Source
Unascertainable and Arcane. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/arcane/unascertainable
Arcane & Unascertainable. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/arcane/unascertainable>.
Unascertainable or Arcane. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/arcane/unascertainable.
Google Ngram Viewer shows how "arcane" and "unascertainable" have occurred on timeline