‘stunned’ to be motionless; to be "frozen"; to be "glued"; to be stopped dead; to be catatonic; to be immobile.
The dress is already stopped dead [which] I was caused to loan to her.
She still is hanging on to the dress that I loaned to her.
I am immobile in my seat while he fell.
I was glued to my chair while he was falling.
When I could hear the voice from the bush, I stood motionless.
When I could hear the voice from the bush, I froze in my tracks./...I stopped dead in my tracks.