Definition of "flabbergast" []

• To cause to be overcome with astonishment; astound. See Synonyms at surprise. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Emily says the hardest word she had to spell was 'flabbergast'."
• "A calm and collected voice spoke over the flabbergast shuttle crew: “About time you came in person.”"
• "The ignorance of the American people regarding foreign affairs never continues to flabbergast me."