arcane

adjective

ar·​cane är-ˈkān How to pronounce arcane (audio)
: known or knowable only to a few people : secret
arcane rites
an arcane ritual
broadly : mysterious, obscure
arcane explanations
arcane technical details

Examples of arcane in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Lyra also has the ability to read an alethiometer, a marvelous magical device—the titular compass—that can answer any question, but only by way of arcane symbols. Lev Grossman, The Atlantic, 23 Oct. 2025 Most commonsense Americans understand that there is no reason paying America's warriors should be held hostage to arcane debates over housing policy. Josh Hammer, MSNBC Newsweek, 22 Oct. 2025 It was put into devastating effect last week when Beijing ramped up export restrictions on rare earth minerals and permanent magnets—arcane materials vital for myriad industrial processes and for which China enjoys a stranglehold on supply. Charlie Campbell, Time, 16 Oct. 2025 The rules are often arcane and not necessarily understood by the people who live in these places. Naaman Zhou, New Yorker, 16 Oct. 2025 See All Example Sentences for arcane

Word History

Etymology

borrowed from Latin arcānus "secret, private, intimate," from arca "chest, coffer, box" + -ānus -an entry 2 — more at ark

First Known Use

1547, in the meaning defined above

Time Traveler
The first known use of arcane was in 1547

Browse Nearby Words

Cite this Entry

“Arcane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/arcane. Accessed 29 Oct. 2025.

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