*incomprehensibility*

n. [ Cf. F. incompréhensibilité. ] The quality of being incomprehensible, or beyond the reach of human intellect; incomprehensibleness; inconceivability; inexplicability. [ 1913 Webster ]

The constant, universal sense of all antiquity unanimously confessing an incomprehensibility in many of the articles of the Christian faith. South. [ 1913 Webster ]