i Register
In some senses, incomprehensible is marked as literary. Watch for register when choosing this word.
adj
Impossible or very difficult to understand.
But this inference, which is supported by the opening of Book I, renders incomprehensible the note "and I have finished writing this," which is included within the dream.
In the empty immensity of earth, sky, and water, there she was, incomprehensible, firing into a continent.
Which cannot be contained; boundless, infinite.
Prayer to God the Father: It is fitting and right to sing to You, to bless You, to praise You, to give thanks to You, to worship You in every place of your dominion: for You are God, beyond description, beyond understanding, invisible, incomprehensible, always existing, always the same; You and your only-begotten Son and your Holy Spirit
noun
Anything that is beyond understanding.