Is stricken dumb - Idioms by The Free Dictionary
be struck dumb (redirected from is stricken dumb)
be struck dumb
To be rendered speechless or dumbfounded, as due to a great surprise or shock. We were all struck dumb by my father's announcement that he was resigning from the company.
be struck ˈdumb (with something) be suddenly unable to speak (because of shock, fear, etc.): We were struck dumb at the sight of three armed soldiers in the kitchen. ♢ The witnesses were struck dumb with terror. ▶ ˈdumbstruck adj.: When I found out that I had won first prize, I was dumbstruck.