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1. To briefly stop at and go into some location, especially to collect or purchase something. I just need to run in the office and get my phone charger. Do you mind if I run in and pick up some milk before we head home?
2. To bring someone to some location very quickly, especially by car. In this usage, a noun or pronoun can be used between "run" and "in." I just need to run Janet in to get her glasses fixed. I'll be home soon. A: "The tires are flat on my bicycle." B: "I can run you in, if you want a lift."
3. dated To bring someone to a police station after arresting them. In this usage, a noun or pronoun can be used between "run" and "in." The group of vigilante's ran in the suspected criminal so that he could be properly arrested by police. The cops ran him in to protect him from a hit by the Mafia.
4. To impale someone with a knife, sword, or other pointed weapon. The pirate ran the mutineer in with his sword. The mother of four ran in the burglar with a kitchen knife after discovering that her house had been broken into.
5. Of text in a book, to continue a paragraph without creating a line break of any kind. Quotes like this should only run in if they are two or three sentences long. This paragraph is way too long—it runs in for three full pages! I felt totally lost by the time I got to the end of it.
run someone in
to arrest one and take one to the police station. The cop ran George in so they could question him extensively. They ran in George to protect him from the rioters.
run something in (for something)
to bring or drive something quickly into a place for some purpose. I have to run my car in for an oil change. I will run in the truck for the mechanic to take a look at it.
run in something
to compete in something, such as a race or an election. I will run in the one-hundred-yard dash. I will not run in a race this time. Who will run in this year's election?
run in(to something)
1. [for a liquid] to flow into something or a place. The water is running into the basement! It's running in very fast.
2. to enter something or a place on foot, running. The boys ran into the room and out again. They ran in and knocked over a lamp.
3. to stop by a place for a quick visit or to make a purchase quickly. I have to run in the drugstore for a minute. I ran into the store for a loaf of bread. I want to visit Mrs. Potter. I can't stay long. I can only run in for a minute.
1. Insert or include something extra, as in Can you run this map in with the text? [Early 1800s]
2. Also, run on. In printing, make a solid body of text without a paragraph or other break, as in The quotation should be run in rather than set as a paragraph.
3. Also, run someone in. Take someone into custody, as in The police were going to run him in, but he got away. [Slang; mid-1800s]
4. Visit someone briefly, as in If I have time, I'll run in to see Aunt Mary. [Second half of 1800s]
5. Break something or someone in, as in Let's run in the new model on a short flight. [Early 1900s] Also see run into.
1. To quickly or briefly enter some place on foot: I'm going to run in the house and get my jacket. We stopped at the store, and I ran in and bought some milk.
2. To drive someone to the center of a place: Don't walk all the way to town—I can run you in on my way to work.
3. Slang To arrest someone; take someone into legal custody: I had no identification with me, so the police ran me in. The police ran in the suspects for further questioning.
4. To make a solid body of text without a paragraph or other break: All of the paragraphs on this page run in, so it's very hard to read.
5. To cause some printed material to make a solid body of text without a paragraph or other break: The editor ran in the final paragraph so that it would fit on the page. There was no reason to split this text into two paragraphs, so I ran the second one in.
run someone in
tv. to arrest someone; to take someone to the police station. Don’t argue with me, or I’ll run you in.