adjective extremely surprised or shocked; astonished
The character's expression of being flabbergasted was perfectly captured by the actor, eliciting laughter from the audience.
The author's use of the word 'flabbergasted' in describing the protagonist's reaction to the plot twist left readers in shock.
Her post about winning the competition had everyone in the comments section feeling flabbergasted.
I was completely flabbergasted when I found out the news about my promotion at work.
In a professional context, a writer may use the word 'flabbergasted' to describe their reaction to a surprising plot twist in a story they are working on.
A psychologist may use the term 'flabbergasted' to express their astonishment at a patient's sudden breakthrough in therapy.
A teacher might use 'flabbergasted' to describe their reaction to a student's exceptional performance on a test.
A lawyer could use 'flabbergasted' to convey their shock at a key piece of evidence presented during a trial.
A doctor may use 'flabbergasted' to express their surprise at a patient's miraculous recovery from a serious illness.