Astounded, informally (10)
I believe the answer is:
gobsmacked
(Other definitions for gobsmacked that I've seen before include "Astounded" , "bowled over" , "shocked" , "Amazed" , "Dumbfounded" .)
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free.
Check out my app
or
learn more
about the Crossword Genius project.