Flabbergast

To surprise or shock someone so much that they don't know how to respond, like when you hear amazing news or see something totally unexpected.

Examples

• When the teacher announced that we would be going on a field trip to the science museum next week, it completely flabbergasted the entire class, and we couldn't stop cheering with excitement.
• I was flabbergasted to discover that my best friend had secretly been practicing guitar for months, and when she played a song for us, it sounded amazing and made me want to learn too.
• After reading the surprising ending of the mystery novel in our book club, I was flabbergasted to find out that the least expected character was the one behind the whole plot twist.

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Antonyms