a. 难解的, 谜一般的, 不可思议的

[ adj ]
not clear to the understanding
<adj.all>
I didn't grasp the meaning of that enigmatic comment until much laterprophetic texts so enigmatic that their meaning has been disputed for centuries

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]