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
run into
Grammar usage guide and real-world examplesUSAGE SUMMARY
"run into" is correct and usable in written English.
It generally means an unexpected encounter or situation. Here is an example sentence: We ran into our old neighbor while shopping at the store.
✓ Grammatically correct
News & Media
Wiki
Formal & Business
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
Physically run into me.
News & Media
Until I run into black.
News & Media
I run into the bedroom.
News & Media
Has run into Tory resistance.
News & Media
Men run into the shadows.
News & Media
I don't run into things.
News & Media
"I RUN into the bathroom.
News & Media
Run into the woods?
News & Media
Other government efforts have run into delays.
News & Media
Tells about the difficulty they run into.
News & Media
That could run into billions of euros.
News & Media
Expert writing Tips
Best practice
Use "run into" to describe unexpected meetings or encounters, adding a sense of spontaneity or chance to your narrative.
Common error
Avoid using "run into" when describing planned or arranged meetings; instead, opt for phrases like "meet with" or "get together with" to indicate intention and purpose.
Linguistic Context
The phrasal verb "run into" functions primarily as a verb of encounter, denoting an unplanned or unexpected meeting. It can also function as a verb of collision or impact. Ludwig highlights these dual functions in its examples.
Frequent in
News & Media
61%
Wiki
15%
Formal & Business
6%
Less common in
Science
6%
Reference
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "run into" is a versatile phrasal verb primarily used to describe unplanned encounters or collisions. As Ludwig AI confirms, it is grammatically sound and very common, particularly in news and media contexts. When writing, remember that "run into" implies a lack of planning, distinguishing it from intentional meetings. Consider alternatives like "bump into" or "encounter" depending on the specific nuance you wish to convey. By understanding its proper usage and context, you can effectively incorporate "run into" into your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
bump into
Shares the meaning of encountering someone unexpectedly.
meet unexpectedly
Direct synonym emphasizing the surprise element of the encounter.
encounter unexpectedly
Emphasizes the unplanned nature of the meeting.
come across
Similar to finding or meeting someone without prior intention.
meet by chance
Highlights the element of luck or serendipity.
stumble upon
Suggests an accidental discovery or meeting.
collide with
Focuses on the physical aspect of impact or disagreement.
face difficulties
Shifts the meaning to experiencing problems or challenges.
find oneself facing
Indicates encountering a situation, often problematic.
clash with
Implies a conflict or disagreement, rather than a physical collision.
FAQs
How can I use "run into" in a sentence?
What's the difference between "run into" and "meet"?
What can I say instead of "run into"?
Depending on the context, you can use alternatives like "bump into", "come across", "encounter", or "collide with".
Is it correct to say "I will run into him tomorrow" if the meeting is prearranged?
No, it is not correct. Saying "I will run into him tomorrow" implies the meeting is accidental. If the meeting is prearranged, use "I will meet him tomorrow".
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.