murderously

adv

1. In a murderous manner; as if wanting to commit murder; extremely angrily.

   “They decided to stop arguing over which spelling was correct after she began glaring murderously at each person who participated.”

2. Intensely

   “It's a murderously difficult piece to perform.”

   “That we inhabit a country in which, for all its murderously real problems, this is a feasible vision is a great privilege.”