Speech and style

arcane

ar-KAYN · adjective

Known or understood by only a small number of specialists.

A cane opening a hidden ark chamber with obscure symbols, a mnemonic for arcane

Memory connection

Picture “ark cane

An old cane opens a hidden room inside an ark, but only a few specialists can read the symbols on its walls.

The sound cue helps you reach the scene; the action in the scene carries you from the scene to the definition.

Use it accurately

Meaning in context

The manual assumes familiarity with arcane rules of maritime insurance.
What began as an arcane research topic soon became a public debate.

Arcane knowledge is obscure because it is specialized, secret, or understood by few. The word can express fascination or criticism.

Common patterns

  • arcane knowledge
  • arcane rules
  • seem arcane

Quick check

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Why might a regulation be called arcane?

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