Adjective sibylline has 2 senses
- divinatory, mantic, sibylline, sibyllic, vatic, vatical - 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"
Antonym: unprophetic (indirect, via prophetic)
- cabalistic, kabbalistic, qabalistic, cryptic, cryptical, sibylline - having a secret or hidden meaning; "cabalistic symbols engraved in stone"; "cryptic writings"; "thoroughly sibylline in most of his pronouncements"- John Gunther
Antonym: exoteric (indirect, via esoteric)
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