adjective

fatal

FAY-tuhl/ˈfeɪtl/

Bringing about death.

The trap proves fatal to the mouse caught beneath its spring.

A sprung mousetrap with a visibly lifeless mouse demonstrates a fatal outcome without gore.
Etymology

Fatal originally described something ordained by fate. Since fate could carry the darker meaning of ruin or ill fortune, the adjective also meant deadly or destructive—the meanings behind fatal injuries and fatal mistakes.

In context

Classified Diaries48:11
the jury returned a verdict of guilty of manslaughter, rejecting murder, but confirming that Williams' actions caused the fatal outcome
Most Dangerous Landlord-Tenant Disputes That Escalated Into Murder

More examples

  • The crash was fatal to both drivers.
  • Even a small dose of this poison can be fatal.
  • Prompt treatment can prevent a potentially fatal infection.

Forms

fatally adverb — In a way that causes death.

Similar words

deadly
Often emphasizes danger to life rather than an actual death.
lethal
Often emphasizes the killing power of a substance or weapon.