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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
run into each other
Grammar usage guide and real-world examplesUSAGE SUMMARY
'run into each other' is correct and usable in written English.
It is typically used to describe two people unexpectedly encountering each other. For example, "My friends and I were in the mall when we suddenly ran into each other."
✓ Grammatically correct
News & Media
Wiki
Science
Alternative expressions(20)
ran into each other
encounter one another
meet unexpectedly
bump into each other
come across each other
cross paths
chance upon each other
find each other
catch one another
See each other in passing
Meet incidentally
crossover each other
gather together
succeed each other
moving past each other
passed each other
observing each other
crisscross
interact
overtake
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
58 human-written examples
run into each other at a hotel.
News & Media
We still run into each other.
News & Media
"We run into each other so often".
News & Media
They continued to run into each other at parties.
News & Media
The pair continued to run into each other at parties.
News & Media
We run into each other once in a while.
News & Media
So had they ever run into each other on campus?
News & Media
We'd run into each other in the lobby.
News & Media
Maybe we will run into each other again.
News & Media
We run into each other at scientific conferences.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
They will run into each other and hiding behind the copier is not advisable.
News & Media
Expert writing Tips
Best practice
When writing dialogue, "run into each other" can effectively set the scene and create narrative tension, particularly if the characters have a complex relationship.
Common error
Avoid using "run into each other" to describe pre-arranged meetings or scheduled events. The phrase implies an element of surprise and lack of prior planning.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The idiomatic phrase "run into each other" functions as a verb phrase, typically used to describe the action of two or more people meeting unexpectedly. As confirmed by Ludwig, it is a common and acceptable expression in English.
Frequent in
News & Media
64%
Wiki
16%
Science
8%
Less common in
Encyclopedias
2%
Formal & Business
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "run into each other" is an idiomatic expression used to describe an unplanned or unexpected meeting. Ludwig confirms its grammatical correctness and common usage. It's most frequently found in News & Media, but also appears in Wiki and Science contexts. While versatile, it's best suited for neutral to informal settings. When considering alternative phrases, options like "encounter one another" or "meet unexpectedly" offer a more formal tone. Remember, this expression is for surprise encounters, so avoid using it for planned meetings.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
bump into each other
Similar in meaning, but suggests a more accidental or physical encounter.
come across each other
Similar to "bump into", implying an unplanned discovery.
meet unexpectedly
Emphasizes the unplanned nature of the meeting.
stumble upon one another
Suggests an even more accidental and surprising meeting.
encounter one another
More formal alternative, often used in official or written communication.
cross paths
Emphasizes the coincidental nature of two people's routes intersecting.
chance upon each other
Highlights the element of luck or serendipity in the meeting.
reunite unexpectedly
Implies that the people had met before, but had been separated.
find each other
A more general term for discovering or locating someone, which can sometimes imply an unexpected encounter.
serendipitously meet
Similar to 'chance upon each other', also emphasizes that the encounter was an accidental meeting with a happy outcome.
FAQs
How do I use "run into each other" in a sentence?
The phrase "run into each other" is used to describe an unplanned meeting. For example, "We didn't plan to meet, we just "ran into each other" at the store."
What's a more formal way to say "run into each other"?
For more formal contexts, you could say "encounter one another" or "meet unexpectedly". These phrases lack the casual connotation of "run into each other".
Is it correct to say "run into themselves"?
No, "run into themselves" is not a standard English phrase. "Run into each other" specifically implies a meeting between two or more different people.
What's the difference between "run into each other" and "bump into each other"?
"Bump into each other" suggests a more accidental, and sometimes physical, encounter. "Run into each other" is a more general term for an unplanned meeting, without necessarily implying physical contact.
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested