The Collaborative International Dictionary
Horribleness
Horribleness \Hor"ri*ble*ness\, n. The state or quality of being horrible; dreadfulness; hideousness.
The horribleness of the mischief.
--Sir P.
Sidney.
Wiktionary
horribleness
n. The property of being horrible.
Usage examples of "horribleness".
Balor's likeness was that of a human, but gross and misformed, and one eye squinted away almost to nothing for the hugeness and horribleness of the other.
It was beyond squalor and out the other side, where by a sort of Einsteinian reversal it achieved a magnificent horribleness that it wore like an architectural award.
But my husband did, and he was fairly sick and faint with the horribleness of the whole business when he came home.