Webster's Revised Unabridged Dictionary · 1913

Incomprehensibility

Incomprehensibility , noun

[Compare French incompréhensibilité.]

The quality of being incomprehensible, or beyond the reach of human intellect; incomprehensibleness; inconceivability; inexplicability.
The constant, universal sense of all antiquity unanimously confessing an incomprehensibility in many of the articles of the Christian faith. — South