adjective

sibylline

Mysterious and difficult to interpret.

The visitor struggles to make sense of the cards’ sibylline message.

An enigmatic fortune-telling consultation: a composed reader presents a small spread of symbolic cards while his visitor struggles to reconcile their contrasting images.
Etymology

Sibyls were associated with prophetic utterances. Their often obscure or enigmatic wording gave sibylline its sense of mysterious and difficult to interpret.

In context

Rabbit_Hole_6011:06
Greek prophetic women become Roman state memory. Roman Sibylline authority later becomes part of Christian interpretation, medieval art, Renaissance fresco, and modern imagination.
The First Sibyls and Oracles: Ancient Voices of Fate

More examples

  • Her sibylline reply leaves us wondering whether she agrees.
  • The poem ends with a sibylline warning that readers interpret differently.
  • His sibylline comments raise more questions than they answer.

Forms

sibylline

sibyl noun — A woman believed to predict the future.

Similar words

cryptic
Often suggests deliberately obscure wording or a hidden message.
enigmatic
Describes puzzling people or situations, not just hard-to-interpret expressions.