Mor"tal*ly, adv.
1.
In a mortal manner; so as to cause death; as, mortally wounded.
2.
In the manner of a mortal or of mortal beings.
I was mortally brought forth.
Shak.
3.
In an extreme degree; to the point of dying or causing death; desperately; as, mortally jealous.
Adrian mortally envied poets, painters, and artificers, in works wherein he had a vein to excel.
Bacon.
© Webster 1913.