speechless

US /ˈspiːtʃ.ləs/
UK /ˈspiːtʃ.ləs/
"speechless" picture
1.

sans voix, muet

unable to speak, especially as a result of shock or strong emotion

:
She was left completely speechless by the unexpected proposal.
Elle fut complètement sans voix par la proposition inattendue.
He was speechless with rage.
Il était sans voix de rage.
2.

muet, sans parole

not having the faculty of speech; mute

:
The child was born speechless.
L'enfant est né muet.
He remained speechless after the accident.
Il est resté muet après l'accident.