bump into /ˌbʌmˈpɪn.tuː/ verb3 •To collide with.He bumped into the wall. I guess that's a risk you take when you read while walking. •To meet by chance.We bumped into each other at the library yesterday. •To cause (a thing) to collide with.The roads were so slippery that I couldn't stop, and I bumped my car into the car in front of me. formsbumped into · bumping into · bumps into