fatal

 
Pronunciation: /ˈfeɪt(ə)l/

adjective

  • causing death: a fatal accident
  • leading to failure or disaster: there were three fatal flaws in the strategy

Derivatives

fatally

adverb

Origin:

late Middle English (in the senses 'destined by fate' and 'ominous'): from Old French, or from Latin fatalis, from fatum (see fate)