- to overcome with surprise and bewilderment; astound.
Origin of flabbergast
SynonymsSee more synonyms on Thesaurus.com
amaze, astonish, stagger, nonplus, confound; perplex, confuse, mystify.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for flabbergast
And nothing has happened to astound or flabbergast him, to send him sprawling with Cheyne-Stokes breathing.Europe After 8:15
H. L. Mencken, George Jean Nathan and Willard Huntington Wright
But there had been no need, and Stockdale was too shrewd a man to "barge in" and flabbergast his youthful Sub.A Sub and a Submarine
Percy F. Westerman
- informal to overcome with astonishment; amaze utterly; astound
C18: of uncertain origin
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