fatally

fa·tal·ly

adverb

Definition of FATALLY

1

:  in a way determined by fate

2

:  in a manner suggesting fate or an act of fate: as

a :  in a manner resulting in death :  mortally <fatally wounded>

b :  beyond repair :  irrevocably

c :  in a manner resulting in ruin or evil <it is fatally easy to pass off our prejudices as our opinions — W. F. Hambly>

d :  in a manner that cannot be easily resisted <thinks she is fatally attractive — J. W. Krutch>

First Known Use of FATALLY

15th century