flabbergast

To flabbergast someone is to surprise them so much that they do not know what to say. Imagine telling your grandmother you're eloping with a circus clown; that might just flabbergast her. It is stronger than ordinary surprise. It suggests that the news is so sudden or so strange that it stops a person for a moment. The word has a playful, slightly old-fashioned feel. You usually use it for big reactions, not small ones.

The origin of the word is uncertain. People have suggested different explanations, but none is fully proven. That mystery fits the word well, because it sounds as dramatic as the feeling it describes.

To flabbergast means to overwhelm someone with astonishment or amazement, leaving them utterly speechless and bewildered. It's not just a simple surprise; it's a profound shock that renders someone temporarily incapable of coherent thought or reaction. For example: "The magician's incredible trick completely flabbergasted the audience," or "Her sudden announcement flabbergasted everyone in the room."

While often used to describe positive surprises, something dreadful can also flabbergast you. Discovering a hidden treasure might flabbergast you with joy, while learning about a shocking betrayal could flabbergast you with disbelief and hurt.

The word has a somewhat theatrical or dramatic quality—it's not typically used for everyday occurrences. You wouldn't say your morning coffee "flabbergasted" you unless something very unusual had happened. It suggests a moment of genuine, jaw-dropping wonder or horror.

Interestingly, "flabbergast" is a relatively modern word, first recorded in the late 18th century. Its exact origin is uncertain, and suggested explanations remain speculative.

So, if something leaves you utterly speechless and reeling with surprise—chances are, it has flabbergasted you!