Fa"tal, a. [L. fatalis, fr. fatum: cf. F. fatal. See Fate.]
Proceeding from, or appointed by, fate or destiny; necessary; inevitable.
These thing are fatal and necessary.
It was fatal to the king to fight for his money.
Foreboding death or great disaster.
That fatal screech owl to our house
That nothing sung but death to us and ours.
Causing death or destruction; deadly; mortal; destructive; calamitous; as, a fatal wound; a fatal disease; a fatal day; a fatal error.
© Webster 1913.