fatal

US /ˈfeɪ.t̬əl/

UK /ˈfeɪ.t̬əl/

1.

causing death

:

•

The accident resulted in a fatal injury.

•

He made a fatal mistake that cost him his life.

:

deadly lethal mortal terminal killing

2.

leading to failure or disaster

:

•

The decision proved to be fatal for the company.

•

His pride was a fatal flaw.

:

disastrous catastrophic ruinous calamitous destructive

:

fatalism femme fatale