Used and loved by millions
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
utterly flabbergasted
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "utterly flabbergasted" is correct and usable in written English.
It can be used to express extreme surprise or shock in various contexts, often when something unexpected occurs. Example: "When she revealed the surprise party, I was utterly flabbergasted and couldn't find the words to respond."
✓ Grammatically correct
News & Media
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
1 human-written examples
When the parrot abruptly uttered a sentence in Italian, I was utterly flabbergasted.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
"I'm absolutely flabbergasted".
News & Media
"I'm absolutely flabbergasted," she says.
News & Media
"I'm absolutely flabbergasted," he said.
News & Media
The women were absolutely flabbergasted".
News & Media
Even flabbergasted.
News & Media
Many pundits were flabbergasted.
News & Media
She was flabbergasted.
News & Media
She'll be flabbergasted.
News & Media
He was flabbergasted.
News & Media
Mr. Klahr was flabbergasted.
News & Media
Expert writing Tips
Best practice
Use "utterly flabbergasted" to emphasize an extreme level of surprise or astonishment. This phrase is most effective when the situation warrants a strong reaction and you want to convey a sense of being truly taken aback.
Common error
Avoid using "utterly flabbergasted" in everyday, commonplace situations. The phrase's intensity can sound unnatural if the context doesn't justify such a strong emotional response. Reserve it for genuinely surprising or shocking events.
Source & Trust
100%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "utterly flabbergasted" functions as an adjective phrase modifying a noun or pronoun, expressing a state of extreme surprise or astonishment. As Ludwig confirms, it is grammatically correct and conveys a strong emotional reaction.
Frequent in
News & Media
100%
Less common in
Science
0%
Formal & Business
0%
Academia
0%
Ludwig's WRAP-UP
In summary, "utterly flabbergasted" is an adjective phrase used to express extreme surprise or astonishment. Ludwig AI confirms that it is grammatically correct. The phrase is relatively rare, mainly found in News & Media contexts. It's crucial to use this phrase in situations that warrant a strong emotional response to avoid sounding unnatural. Alternative phrases, such as "completely astonished" or "totally shocked", can be used depending on the context. Reserve this phrase for situations where someone is truly taken aback by something unexpected.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
completely astonished
Replaces "flabbergasted" with "astonished" and "utterly" with "completely", emphasizing total amazement.
totally shocked
Substitutes "flabbergasted" with "shocked" and "utterly" with "totally", indicating a strong feeling of surprise and disbelief.
absolutely stunned
Replaces "flabbergasted" with "stunned" and "utterly" with "absolutely", conveying a sense of being overwhelmed with surprise.
flabbergasted to the extreme
Emphasizes the degree of being "flabbergasted" by adding "to the extreme".
incredulously surprised
Replaces the entire phrase with an adverb-adjective combination emphasizing disbelief and surprise.
dumbfounded beyond words
Indicates a state of speechlessness due to extreme surprise and astonishment.
awestruck and speechless
Conveys a feeling of being amazed and unable to speak due to something impressive or surprising.
taken aback completely
Replaces the original phrase with an idiom that suggests being surprised and disconcerted.
utterly amazed and bewildered
Expands the original phrase to include both amazement and confusion, highlighting the intensity of surprise.
completely taken by surprise
Indicates a state of being caught off guard, resulting in complete surprise.
FAQs
How can I effectively use "utterly flabbergasted" in a sentence?
Use "utterly flabbergasted" to describe a situation where someone experiences extreme surprise or shock. For example, "When she revealed the surprise party, I was utterly flabbergasted and couldn't find the words to respond."
What are some alternatives to "utterly flabbergasted"?
You can use alternatives like "completely astonished", "totally shocked", or "absolutely stunned" depending on the context.
Is "utterly flabbergasted" formal or informal?
"Utterly flabbergasted" leans towards a neutral register but can be used in both formal and informal contexts when describing a high degree of surprise or shock. The appropriateness depends on the specific situation and audience.
What's the difference between "utterly flabbergasted" and "slightly surprised"?
"Utterly flabbergasted" expresses a very strong feeling of surprise, almost to the point of disbelief or shock. In contrast, "slightly surprised" indicates a mild and less intense level of astonishment.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
100%
Authority and reliability
4.5/5
Expert rating
Real-world application tested