dreadfully

adv

1. In a dreadful manner; terribly.

   “You behaved dreadfully yesterday night”

   “The smellful old heathen was snoring dreadfully.”

2. (dated)Exceptionally, eminently, very much.

   “That restaurant seems dreadfully expensive.”

   “At that moment a curious crack sounded inside the statue, as if something had broken. The fact is that the leaden heart had snapped right in two. It certainly was a dreadfully hard frost.”

   ““Here it is,” said Eddie. “‘Why Must it Always be Tomato Soup?’ It's so deeply true, don't you feel? Tomato soup is so dreadfully eternal.””