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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
I'm flabbergasted
Grammar usage guide and real-world examplesAlternative expressions(20)
I'm stunned
I'm astonished
I'm dumbfounded
I'm surprised
I'm taken aback
I'm shocked
I'm speechless
I'm bewildered
I'm completely shocked
completely shocked
totally shocked
I was caught completely off guard
I'm at a loss for words
The New York Times
The Guardian
I am startled
I am stunned
It caught me by surprise
I am flabbergasted
I am bewildered
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
32 human-written examples
I'm flabbergasted!
News & Media
"I'm amazed, I'm grateful, I'm flabbergasted".
News & Media
I'm flabbergasted at this flabby-blasting".
News & Media
I'm flabbergasted by how many people have actually seen it.
News & Media
"I'm flabbergasted how little involvement there is by foreign players".
News & Media
"I'm flabbergasted," he said, noting the lack of traffic.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
25 human-written examples
"I was flabbergasted.
News & Media
"I was flabbergasted," Amy said.
News & Media
"I was flabbergasted," he said.
News & Media
I am flabbergasted, flabbergasted on a lot of fronts.
News & Media
"I was flabbergasted, frankly," he said.
News & Media
Expert writing Tips
Best practice
In corporate or professional settings, reserve this phrase for moments of genuine, significant impact to maintain its emotional weight.
Common error
Do not use "flabbergasted" for minor surprises, such as a small change in a meeting time. Overusing such a strong word can make your writing seem hyperbolic or insincere.
Source & Trust
95%
Authority and reliability
4.9/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I'm flabbergasted" is a first-person singular present indicative statement. It consists of the subject pronoun "I", the contracted linking verb "'m" (am), and the past participle "flabbergasted" acting as a predicative adjective. As seen in Ludwig, it functions as an intensive emotional marker.
Frequent in
News & Media
85%
General Reference
10%
Formal & Business
5%
Less common in
Science
0.1%
Academic
0.1%
Legal
0.1%
Ludwig's WRAP-UP
In conclusion, "I'm flabbergasted" is a vivid and powerful expression used to denote a high degree of surprise. Ludwig examples show that it is a favorite among journalists for capturing strong, visceral reactions in news stories. While it is perfectly acceptable in most writing, its high intensity means it should be used sparingly to ensure it maintains its rhetorical force. It is almost always used to describe a personal emotional state rather than as a neutral observation.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
I'm stunned
Implies a sense of being dazed or momentarily unable to react.
I'm astonished
Offers a slightly more formal alternative for extreme surprise.
I'm dumbfounded
Emphasizes being so surprised that one is unable to speak.
I'm taken aback
Suggests being surprised and perhaps slightly offended or confused.
I'm staggered
Conveys a surprise so great it feels like a physical blow.
I'm amazed
A more common and slightly less intense version of surprise.
I'm shocked
Focuses on the sudden and often negative impact of the surprise.
I'm speechless
Describes the physical result of being flabbergasted.
I'm thunderstruck
A more dramatic and literary way to express sudden shock.
I'm bewildered
Adds a layer of confusion to the feeling of surprise.
FAQs
What can I say instead of "I'm flabbergasted"?
You can use synonyms like "<a href="/s/I'm+stunned" target="_blank" rel="alternative">I'm stunned", "<a href="/s/I'm+astonished" target="_blank" rel="alternative">I'm astonished" or "<a href="/s/I'm+dumbfounded" target="_blank" rel="alternative">I'm dumbfounded" depending on the specific nuance you want to convey.
Is "I'm flabbergasted" formal enough for a business email?
While it is grammatically correct, it is quite emotional. In very formal business contexts, you might prefer "<a href="/s/I'm+surprised" target="_blank" rel="alternative">I'm surprised" or "<a href="/s/I+find+this+unexpected" target="_blank" rel="alternative">I find this unexpected".
What's the difference between "I'm flabbergasted" and "I'm surprised"?
The main difference is intensity. While "<a href="/s/I'm+surprised" target="_blank" rel="alternative">I'm surprised" is a general term, "I'm flabbergasted" implies being so shocked that you are almost rendered silent or unable to process the news immediately.
How do you use "I'm flabbergasted" in a sentence?
It is often followed by 'by' or 'at'. For example: "I'm flabbergasted by the news" or "I'm flabbergasted at his behavior".
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
95%
Authority and reliability
4.9/5
Expert rating
Real-world application tested