fearfully

adv

1. In a fearful manner; characterized by fear.

   “I stepped fearfully into the pitch-dark cave.”

2. (UK, dated)very; very much.

   “He's a fearfully good striker.”

   “Remember, when a horse is on its side the kicking-strap is useless, and the breechen nearly so, to prevent the swing of its hind legs; your aim is to get it away from the steps or wheel-plate of the trap, which, in its struggles, may cut its legs fearfully.”