arcane
Americanadjective
adjective
Other Word Forms
Etymology
Origin of arcane
First recorded in 1540–50; from Middle French, from Latin arcānus, from arc(ēre) “to enclose, restrain, ward off” (derivative of arca “box, chest, coffer”) + -ānus -an
Explanation
Something arcane is understood or known by only a few people. Almost everyone knows the basics of baseball, but only an elite few possess the arcane knowledge of its history that marks the true fan. A near synonym is esoteric, as in "relating to remote information or knowledge." Experts in academic fields often show off the depth of their knowledge by mentioning some arcane and esoteric fact as if it was common for everyone to know. The origin of arcane is Latin arcānus, "secret, closed," from arca, "a chest, box." Arcana (singular arcanum) are pieces of mysterious knowledge or information.
Vocabulary lists containing arcane
100 SAT Words Beginning with "A"
Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!
300 Most Difficult "SAT" Words
Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!
Advanced English Words
Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Arcane semiotics throughout the ship were carefully reproduced.
From Los Angeles Times • Jun. 2, 2026
The first three episodes of "Arcane" Season 2 are streaming, with additional episodes to be released Nov. 16 and Nov. 23.
From Salon • Nov. 12, 2024
Arcane parliamentary procedures are suddenly in the spotlight.
From New York Times • Mar. 16, 2023
League of Legends inspired animation Arcane, for example, showed it can be done in a way that keeps fans and newcomers entertained.
From BBC • Jan. 16, 2023
Kvothe the Arcane and Kvothe Kingkiller are two very different men.”
From "The Name of the Wind" by Patrick Rothfuss
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
