Synonyms

flabbergast

American

[flab-er-gast] / ˈflæb ərˌgæst /

verb (used with object)

to overcome with surprise and bewilderment; astound.

Synonyms:

mystify, confuse, perplex, confound, nonplus, stagger, astonish, amaze

flabbergast British

/ ˈflæbəˌɡɑːst /

verb

informal to overcome with astonishment; amaze utterly; astound

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

flabbergaster noun

Etymology

Origin of flabbergast

1765–75; variant of flabagast (perhaps flabb(y) + aghast )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

One former student told us he was "absolutely flabbergasted" to see his former coach in the news while others spoke of a respected and "warm, witty, fun" coach.

From BBC

A woman whose parents founded the charity Alan Carr donated his Celebrity Traitors' winnings to says the gesture has left her family "flabbergasted".

From BBC

"It was quite an incredible game to be part of, and I'm still flabbergasted from what just happened."

From BBC

Yet the news that inflation could be worse is hardly comforting for millions of Americans still flabbergasted at the prices of necessities like food, housing and insurance.

From The Wall Street Journal

The doctor said he was “just flabbergasted with the allegations that don’t seem congruent with what i saw that day.”

From Los Angeles Times

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023