speechless

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

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

:
•
She was left completely speechless by the unexpected proposal.
•
He was speechless with rage.
:
dumbfoundedstunnedaghastflabbergastedtongue-tied
2.

not having the faculty of speech; mute

:
•
The child was born speechless.
•
He remained speechless after the accident.
:
mutedumbaphonic