fatal

causing or likely to cause death; deadly

letal, fatal

Collocations fatal accident · fatal illness

• The driver died of his injuries in a fatal car crash.

  El conductor murió de sus heridas en un accidente automovilístico fatal.

very serious and likely to have bad results; disastrous

fatal, desastroso

Collocations a fatal mistake · a fatal decision

• It was a fatal error to ignore the warning signs.

  Fue un error fatal ignorar las señales de advertencia.