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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
stumble upon something
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "stumble upon something" is a perfectly correct and usable phrase in written English.
It is generally used to refer to the unexpected discovery of something, especially in the context of surprise or luck. For example, "We were lost in the woods when we stumbled upon an abandoned cabin just in time for the night."
✓ Grammatically correct
News & Media
Wiki
Science
Alternative expressions(20)
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
28 human-written examples
If in that process you stumble upon something truly original, wonderful.
News & Media
Which is why, when you stumble upon something you can do, you do it".
News & Media
You can come up with something a bit out of the box but stumble upon something very attractive".
News & Media
I'm often wandering around looking for things, and I stumble upon something or somebody or an animal to fall in love with — it was one of those moments.
News & Media
It increases the likelihood that people will stumble upon something that challenges their convictions – and will be able to understand, and learn from, people they might otherwise demonise.
News & Media
But the thrill to stumble upon something unique only happens in real life, so I'm happy that places like this still exist.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
32 human-written examples
Just as the name implies, it's when you become aware of or stumble upon something--discover it.
News & Media
"You're constantly stumbling upon something new".
News & Media
"We have certainly stumbled upon something there is lots of consumer demand for," Mr. Seibel said.
News & Media
Anticipating a summer nativity scene, I instead stumbled upon something slightly less creepy: zombies.
News & Media
Intriguingly, Marías describes his writing as proceeding unawares, "discovering or stumbling upon something".
News & Media
Expert writing Tips
Best practice
Use "stumble upon something" to emphasize the unexpected and unplanned nature of a discovery or encounter. This adds a sense of serendipity to your writing.
Common error
Avoid using "stumble upon something" when describing a deliberate or planned search. The phrase implies an element of chance, which would be contradictory in a planned context.
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "stumble upon something" functions as a phrasal verb, typically used to describe the act of discovering or finding something unexpectedly. Ludwig AI confirms that this is a correct and usable phrase.
Frequent in
News & Media
60%
Wiki
20%
Science
10%
Less common in
Formal & Business
5%
Academia
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "stumble upon something" is a common phrasal verb used to describe an unexpected discovery. As confirmed by Ludwig, the phrase is grammatically correct and widely used. It is most frequently found in news articles, general writing, and science-related content. When using the phrase, writers should ensure it aligns with the context of an unplanned finding, avoiding its use in situations where a deliberate search is involved. Alternatives include "come across unexpectedly" and "find by chance", each with its own nuances. While "stumble on something" is acceptable, "stumble upon something" is the more idiomatic choice.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Come across unexpectedly
Highlights the surprise element of the discovery.
Chance upon unexpectedly
Highlights the role of chance in the finding.
Find by chance
Emphasizes the element of luck in finding something.
Encounter unexpectedly
Focuses on the unplanned nature of the meeting.
Run into unexpectedly
Suggests a sudden or unplanned meeting.
Discover accidentally
Focuses on the unintentional nature of the finding.
Hit upon unexpectedly
Implies an abrupt and fortuitous discovery.
Light upon unexpectedly
Suggests a chance encounter that brings enlightenment or discovery.
Unearth unexpectedly
Conveys the idea of uncovering or revealing something.
Detect unexpectedly
Suggests identifying something when it was not anticipated.
FAQs
How to use "stumble upon something" in a sentence?
Use "stumble upon something" to describe the act of discovering or finding something unexpectedly. For example, "While cleaning the attic, I "stumbled upon something" I had lost years ago."
What can I say instead of "stumble upon something"?
You can use alternatives like "come across unexpectedly", "find by chance", or "discover accidentally" depending on the context.
Which is correct, "stumble upon something" or "stumble on something"?
"Stumble upon something" is the more common and idiomatic phrasing. While "stumble on something" isn't necessarily incorrect, it is less frequently used and may sound less natural.
What's the difference between "stumble upon something" and "search for something"?
"Stumble upon something" implies an accidental finding, while "search for something" indicates a deliberate attempt to locate something. They are opposite in meaning.
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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
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested