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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
surprised by
Grammar usage guide and real-world examplesUSAGE SUMMARY
"surprised by" is a correct and usable part of a sentence in written English.
You can use it when talking about something unexpected. For example, "We were all surprised by the sudden change in the weather."
✓ Grammatically correct
News & Media
Science
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
60 human-written examples
I'm surprised by that.
News & Media
I'm not surprised by anything.
News & Media
"I'm really surprised by this.
News & Media
She is surprised by this.
News & Media
Are students surprised by this?
News & Media
Were you surprised by that?
News & Media
I was surprised by that.
News & Media
I'm surprised by these results.
News & Media
Were you surprised by anything?
News & Media
"I was surprised by it.
News & Media
Is Gensemer surprised by that?
News & Media
Expert writing Tips
Best practice
When using "surprised by", ensure the object of your surprise is clearly stated to avoid ambiguity. For example, "I was surprised by the sudden change in policy" is more specific than "I was surprised."
Common error
While "surprised by" is generally preferred, some writers incorrectly use "surprised at". "Surprised by" is more commonly used when the surprise is caused by something, whereas "surprised at" is for reactions to events or news. To maintain clarity and conform to standard usage, favor "surprised by" when possible.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "surprised by" functions as an adjective phrase modifying a subject, indicating a state of astonishment or unexpectedness caused by something. Ludwig confirms its correct usage, supported by numerous examples from diverse contexts.
Frequent in
News & Media
60%
Science
20%
Formal & Business
10%
Less common in
Academia
5%
Encyclopedias
3%
Wiki
2%
Ludwig's WRAP-UP
In summary, "surprised by" is a very common and grammatically correct phrase used to express a feeling of unexpectedness or astonishment. Ludwig confirms its widespread use across diverse contexts, predominantly in news and media. It is crucial to use the correct preposition "by" rather than alternatives like "at" or "of". While alternatives like "astonished by" or "amazed by" exist, the choice depends on the specific nuance you wish to convey. Overall, ensuring clarity and specifying the cause of surprise is key to effective communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
astonished by
Indicates a strong feeling of surprise, often implying disbelief or wonder.
astounded by
Indicates being greatly impressed and surprised.
amazed by
Implies a sense of wonder and delight in addition to surprise.
shocked by
Suggests a more intense and often negative surprise.
startled by
Indicates a sudden and often slight surprise.
taken aback by
Implies being caught off guard or slightly disoriented by something unexpected.
caught off guard by
This expression highlights the unpreparedness for the event causing the surprise.
flabbergasted by
Suggests being completely overwhelmed with surprise and confusion.
dumbfounded by
Suggests being so surprised that one is temporarily speechless.
dismayed by
Conveys a feeling of disappointment and surprise.
FAQs
How can I use "surprised by" in a sentence?
Use "surprised by" to express that something unexpected has happened or been revealed. For example, "I was "surprised by" the positive feedback on my presentation."
What's the difference between "surprised by" and "surprised at"?
While both express surprise, "surprised by" is generally used when the surprise is caused by something, whereas "surprised at" expresses a reaction to something. However, "surprised by" is more common and often preferred.
What can I say instead of "surprised by"?
You can use alternatives like "astonished by", "amazed by", or "shocked by" depending on the context.
Is it correct to say "I am surprised of" instead of "I am surprised by"?
No, "surprised of" is not grammatically correct. The correct preposition to use with "surprised" in this context is "by". You should always use ""surprised by"".
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested