Meaning 1 · most common
meet by chance
to meet someone unexpectedly, usually by accident.
Examples
I ran into my old teacher at the supermarket yesterday.
A: Guess who I ran into at the park today?
B: Who?
A: Sarah from our English class!
Common mistake
Not: I ran into with my teacher in town.
Say: I ran into my teacher in town.
'Run into' takes the person directly — no 'with'.
More on “meet by chance”Another example · Tell it apart · Goes with · Tip
Another example
Last weekend, I ran into an old friend while I was shopping in the city centre. We hadn't seen each other for years, so it was a nice surprise.
Tell it apart
I ran into Sam in town.
I met up with Sam in town.
Goes with
- run into + person