flabbergasted definition : extremely surprised or shocked by something unexpected. Check meanings , examples, usage tips, pronunciation, domains, related words. The meaning of FLABBERGASTED is feeling or showing intense shock, surprise, or wonder : utterly astonished . How to use flabbergasted in a sentence. When you see your mom come back from the salon with bright green spiky hair and your jaw drops to the floor in total shock, you’re flabbergasted. You are really, really shocked — pretty much speechless. Use the adjective flabbergasted to describe someone who's astounded or surprised for any reason, good or bad. The adjective ' flabbergasted ' has a somewhat unclear etymology, but it is believed to be a humorous and whimsical word that was created in the English language. It likely combines elements of various English words, possibly blending 'flabby,' meaning soft or loose, with 'aghast,' meaning filled with shock or horror.
