The definition of fatal is something that causes death or that leads to failure or disaster.
When you are shot in the head, this is an example of a wound that could be described as fatal.
- Obs. fated; destined; inevitable
- important in its outcome; fateful; decisive: the fatal day arrived
- resulting in death
- very destructive; most unfortunate; disastrous
- concerned with or determining fate
Origin of fatalMiddle English ; from Old French and amp; ; from Classical Latin fatalis ; from fatum, fate
- Causing or capable of causing death.
- Causing ruin or destruction; disastrous: “Such doctrines, if true, would be absolutely fatal to my theory” (Charles Darwin).
- Of decisive importance; fateful: came through at the fatal moment.
- Concerning or determining one's fate: the fatal thread of life.
- Obsolete Having been destined; fated.
Origin of fatalMiddle English, fateful, from Old French, from Latin fatalis, from fatum, prophecy, doom; see fate.
From Middle French fatal, from Latin fātālis (“fatal”).
fatal - Legal Definition
Deadly, causing actual or metaphorical death; causing the undoing of a claim, assertion, or legal document (“a fatal flaw in the pleading”). See also fatal defect.