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Meaning of sibylline

sib•yl•line

Pronunciation: (sib'u-lēn", -līn", -lin), [key]
— adj.
  1. of, resembling, or characteristic of a sibyl; prophetic; oracular.
  2. mysterious; cryptic.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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