Source : Webster's Revised Unabridged Dictionary (1913)

Delphic \Del"phic\, a. [L. Delphicus, fr. Gr. Delfiko`s, fr.
   Delfoi`, L. Delphi, a town of Phocis, in Greece, now Kastri.]
   (Gr. Antiq.)
   1. Of or relating to Delphi, or to the famous oracle of that
      place.

   2. Ambiguous; mysterious. ``If he is silent or delphic.''
      --New York Times.

Source : WordNet®

Delphic
     adj 1: of or relating to Delphi or to the oracles of Apollo at
            Delphi; "Delphic oracle" [syn: {Delphian}]
     2: obscurely prophetic; "Delphic pronouncements"; "an oracular
        message" [syn: {oracular}]