Definitions
1.AdjectiveProceeding from, or appointed by, fate or destiny.
2.AdjectiveForeboding death or great disaster.
3.AdjectiveCausing death or destruction."a fatal wound; a fatal disease; that fatal day; a fatal mistake"
4.AdjectiveCausing a sudden end to the running of a program."a fatal error; a fatal exception"
5.NounA fatality; an event that leads to death.
6.NounA fatal error; a failure that causes a program to terminate.