Arcanum

//ɑɹˈkeɪnəm// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A mystery or deep secret.
  2. 2
    information known only to a special group wordnet
  3. 3
    An elixir or secret remedy.

Synonyms

All synonyms
cabalaconfidenceenigmaesotericamysteryobscurity

Etymology

From Latin arcānum.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.