ˈmȯ(r)d. ə lē, -(r)t ə l-, - ə li adverb
Etymology: Middle English, from mortal (I) + -ly
1. : in a deadly or fatal manner : to the point of death
his colonel and lieutenant colonel were both mortally wounded — J.D.Hicks
2. : to an extreme degree : grievously , intensely
millions have come out of the war lost souls … still mortally afraid — F.S.Kinney
mortally hates and fears a fall in farm income — Time
3. : by way of mortal sin
the souls of those who have sinned mortally — R.M.French
4. : awfully , extremely
all novelists and dramatists without genius … are usually being mortally serious about middle-class people entangled by Fate — F.A.Swinnerton