run into

Short definition from Wiktionary

Verb

1. 1
   To enter by running.
2. 2
   To collide with.
3. 3
   To cause to collide with.
4. 4
   To unexpectedly encounter or meet someone or something (literally or figuratively).
5. 5
   To reach, to flow into (a body of water).
6. 6
   To blend into; to be followed by or adjacent to without there being a clear boundary.
7. 7
   To cause to blend into.
8. 8
   To reach a large figure.