perilously

adv

1. In a perilous manner.

   “A rather interesting and notable convenience, however, is that of ice water bags, which are hung on to the outside of the coaches at certain stops. These can be reached by leaning out of the window rather perilously, to unhook them, and paper cups are stocked in the compartments.”

   “A door flopped open, wobbling perilously on its one remaining hinge.”