lethal

US /ˈliː.θəl/
UK /ˈliː.θəl/
"lethal" picture
1.

mortel, fatal

sufficient to cause death

:
The snake's venom was lethal.
Le venin du serpent était mortel.
He received a lethal dose of radiation.
Il a reçu une dose mortelle de radiations.
2.

fatal, destructeur

harmful or destructive in a significant way

:
The company made a lethal mistake in its marketing strategy.
L'entreprise a commis une erreur fatale dans sa stratégie marketing.
His criticism was lethal to her confidence.
Sa critique fut fatale à sa confiance.