Sibylline vs Mysterious - What's the difference?

As adjectives the difference between sibylline and mysterious

is that sibylline is of or pertaining to a sibyl or female oracle, especially the while mysterious is of unknown origin.

* sybilline

(-)

Of or pertaining to a sibyl or female oracle, especially the .

(by extension) Having oracle-like predicting powers, clairvoyant.

mysterious

* sibyllic ----

(en adjective)

Of unknown origin.

He received a mysterious phone call this morning.

Having unknown qualities.

Our boss is a mysterious man who hardly ever meets with us.

Difficult to understand.

Why he left without saying goodbye is quite mysterious .

Deliberately evasive or enigmatic.

Stop being mysterious and just tell me what you want.

* mysteriously * mysteriousness