flabbergasted
adjective/ˈflæbəɡɑːstɪd/
/ˈflæbərɡæstɪd/
[not usually before noun] (informal)- extremely surprised and/or shocked synonym astonished
- Friends were flabbergasted by the news that they’d split up.
- She was too flabbergasted to speak.
Word Originlate 18th cent.: of unknown origin.Definitions on the go
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flabbergasted