What is flabergasted?

Flabbergasted is an adjective that means to be completely surprised or amazed, often to the point of speechlessness or confusion. It is used to describe a situation in which a person is taken aback by something unexpected, shocking, or overwhelming. The word flabbergasted is often used as a synonym for astonished, surprised, stunned, or dumbfounded. It can also be used in a humorous way to describe a situation that is amusingly surprising or unexpected. The word originated in the 18th century and was initially used as a dialectal variation of the word flabbergast, which means to stun or astound.