run into

run into  {v.}

1. To mix with; join with.

If the paint brush is too wet, the red paint will run into the white on the house.

This small brook runs into a big river in the valley below.

2. To add up to; reach; total.

Car repairs can run into a lot of money.

The number of people killed on the highways during holidays runs into hundreds.

A good dictionary may run into several editions.

3a. Bump; crash into; hit.

Joe lost control of his bike and ran into a tree.

Compare: RUN DOWN.

3b. To meet by chance.

I ran into Joe yesterday on Main Street.

Compare: BUMP INTO, CHANCE ON, COME ACROSS (2).

3e. Be affected by; get into.

I ran into trouble on the last problem on the test.