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; obscure; puzzling; as, an enigmatical answer.

Source: Webster's Revised Unabridged Dictionary (1913)