unhealthiness

noun

1. (uncountable, usually)The state of being unhealthy.

   “[…] I possess an old house, Ferndean Manor, even more retired and hidden than this, where I could have lodged her safely enough, had not a scruple about the unhealthiness of the situation, in the heart of a wood, made my conscience recoil from the arrangement.”

   “He looked elegant and vulnerable, his eyes edging away from contact and set into a face of exquisite unhealthiness.”