Grievously
From BiblePortal Wikipedia
Grievously [1]
Grie'Vously, adv. With pain painfully with great pain or distress as, to be grievously afflicted.
1. With discontent, will or grief. 2. Calamitously miserably greatly with great uneasiness, distress or grief. 3. Atrociously as, to sin or offend grievously.