run into somebody/something phrasal verb ( see also ↑ run )
1 . to start to experience a difficult or unpleasant situation:
He ran into criticism after remarks he made in a television interview.
run into trouble/problems/difficulties
The business ran into financial difficulties almost immediately.
2 . run into hundreds/thousands etc to reach an amount of several hundred, several thousand etc:
The cost of repairing the damage could run into millions.
The list ran into hundreds of pages.
3 . to hit someone or something with a vehicle SYN crash into :
He ran into the back of another car.
4 . informal to meet someone by chance:
Guess who I ran into in town today!
⇨ run yourself into the ground at ↑ ground 1 (13)