enigmatical

from WordNet (r) 3.0 (2006)

enigmatical
    adj 1: not clear to the understanding; "I didn't grasp the
           meaning of that enigmatic comment until much later";
           "prophetic texts so enigmatic that their meaning has been
           disputed for centuries" [syn: {enigmatic}, {enigmatical},
           {puzzling}]

from The Collaborative International Dictionary of English v.0.48

Enigmatic \E`nig*mat"ic\ (?; 277), Enigmatical
\E`nig*mat"ic*al\, a. [Cf. F. ['e]nigmatique.]
   Relating to or resembling an enigma; not easily explained or
   accounted for; darkly expressed; not clear to the
   understanding; obscure; puzzling; as, an enigmatical answer;
   I didn't grasp the meaning of that enigmatical comment until
   much later; prophetic texts so enigmatical that their meaning
   has been disputed for centuries.

   Syn: dark, obscure, puzzling.
        [1913 Webster + WordNet 1.5]