move at a speed faster than a walk, never having both or all the feet on the ground at the same time.
the dog ran across the road
move about in a hurried and hectic way.
I've spent the whole day running around after the kids
pass or cause to pass quickly or smoothly in a particular direction.
the rumor ran through the pack of photographers
(with reference to a liquid) flow or cause to flow.
a small river runs into the sea at one side of the castle
(of a bus, train, ferry, or other form of transportation) make a regular journey on a particular route.
buses run into town every half hour