La morsure du serpent est grave et peut être mortelle sans aide médicale immédiate.
English: The snake's bite is deadly serious without immediate medical help.
mortel /mɔʁtˈɛl/ · adverb · CEFR B2. French translation of "deadly".
See also: Vocabulary entry (French)

Listen to how "mortel" sounds in French.
This adverb is shown in its dictionary form.
| Dictionary form | mortel |
|---|---|
| Use note | Use the form shown here as the lookup form. |
La morsure du serpent est grave et peut être mortelle sans aide médicale immédiate.
English: The snake's bite is deadly serious without immediate medical help.
Il roulait à une vitesse folle sur la route de campagne déserte.
English: He drove deadly fast along the empty country road.
Elle est restée complètement silencieuse pendant la longue réunion tendue.
English: She remained deadly silent during the long, tense meeting.
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