sibylic
/sɪˈbɪlɪk/
adjective
- Relating to or characteristic of a sibyl (a prophetess in ancient times); prophetic, oracular.
- The old woman's sibylic warnings about the storm made everyone uneasy.
- The novel's sibylic tone gave it an air of ancient mystery.
- His sibylic speech was full of mysterious predictions about the future.