Arcane
Arcane adjective - Difficult for one of ordinary knowledge or intelligence to understand.
Usage example: grammatical rules that seem arcane to generations of students who were never taught grammar in the first place
Mysterious is a synonym for arcane in hidden topic. In some cases you can use "Mysterious" instead an adjective "Arcane", when it comes to topics like explain. popular alternative
Mysterious
Mysterious adjective - Being beyond one's powers to know, understand, or explain.
Usage example: the huge stone statues on Easter Island are ancient, mysterious, and haunting
Arcane is a synonym for mysterious in secret topic. You can use "Arcane" instead an adjective "Mysterious", if it concerns topics such as explain, strange. popular alternative
Nearby Words: mystery, mysteriously
Mutual synonyms
Related pairs
Both words in one sentence
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Alan Dean Foster's short stories about "Mad Amos" Malone, a giant Mountain Man with a vast knowledge of all things arcane and mysterious who battles assorted dragons, ghosts, and other occult goings-on in the Old West.
Source: Weird West -
Mushroom Man: The mysterious shamblers are essentially humanoid mushrooms with a knack for arcane rituals.
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Mage: The Awakening: "Summoners" features as a potential plot hook mysterious numbers stations that seem to be broadcasting an arcane signal.
Source: Numbers Stations
Cite this Source
Mysterious and Arcane. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/arcane/mysterious
Arcane & Mysterious. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/arcane/mysterious>.
Mysterious or Arcane. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/arcane/mysterious.
Google Ngram Viewer shows how "arcane" and "mysterious" have occurred on timeline