mortally

adv

1. Fatally; in such a way as to cause death.

   “Sir Philip Sidney, soldier, courtier, statesman and poet, was born at Penshurst in 1554. He won imperishable fame 32 years later at the Battle of Zutphen in Holland when, mortally wounded, he refused a drink of water and passed his flask to a wounded soldier, with the words: 'Thy necessity is yet greater than mine.'”

2. (obsolete)As a mortal.

   “And all the depth of rightfull doome was taught / By faire Astræa with great industrie, / Whilest here on earth she lived mortallie […]”