Adjective

• 1. resembling or characteristic of a prophet or prophecy;

  "the high priest's divinatory pronouncement"

  "mantic powers"

  "a kind of sibylline book with ready and infallible answers to questions"

• 2. having a secret or hidden meaning;

  "cabalistic symbols engraved in stone"

  "cryptic writings"

  "thoroughly sibylline in most of his pronouncements"- John Gunther