morbidly

morbid +‎ -ly

morbidly (comparative more morbidly, superlative most morbidly)

1. In a morbid manner, or to a morbid degree.
   • 1931, H. P. Lovecraft, The Whisperer in Darkness, chapter 4:

     In his reply he seemed less set against that plan than his past attitude would have led one to predict, but said he would like to hold off a little while longer—long enough to get his things in order and reconcile himself to the idea of leaving an almost morbidly cherished birthplace.

• morbidly obese
• nonmorbidly