flabbergasted
/ˈflæbəɡæstəd/adjective
Extremely surprised or shocked, so much that you hardly know what to say.
Example sentences
- “I was flabbergasted when they offered me the job on the spot.”
- “Flabbergasted fans watched the underdog score in the final seconds.”
- “My parents looked flabbergasted to see me cleaning my room.”
Informal and a little humorous; 'astonished' is the neutral word. It usually follows 'be' or 'look'.