run-in

[ ruhn-in ]

noun

1. a quarrel; argument.
2. Printing. matter that is added to a text, especially without indenting for a new paragraph.

adjective

1. Printing. added to a text without indenting.

run in

verb

1. to run (an engine) gently, usually for a specified period when it is new, in order that the running surfaces may become polished
2. tr to insert or include
3. intr (of an aircraft) to approach a point or target
4. informal.
   tr to take into custody; arrest

   he was run in for assault

noun

1. informal.
   an argument or quarrel

   he had a run-in with the boss yesterday

2. an approach to the end of an event, etc

   the run-in to the championship

3. printing matter inserted in an existing paragraph

Word History and Origins

Origin of run-in¹

First recorded in 1900–05; noun, adj. use of verb phrase run in

Example Sentences

Foster finally felt his chest burning toward the end of a 65-yard touchdown run in which he was in the open field once he got past cornerback Daylon McCutcheon.

From Los Angeles Times

Modeling the properties of the nano-bio interface is demanding since the important processes such as electronic charge transfer, chemical reactions or restructuring of the biomolecule surface can take place in a wide range of length and time scales, and the atomistic simulations need to be run in the appropriate aqueous environment.

From Science Daily

The song isn’t about that epic confrontation, but it contains hints of what’s to come, with references to Kate being “a wild wind blowin’ / just a-rollin’ like a tumbleweed” and the song’s hook, that vocal run in the chorus, spiraling down: “Can’t take the ho-o-o-o-o-o-ome out of Oklahoma / It’s where my soul-o-o-o-o-o-oul was born to be.”

From Los Angeles Times

That’s what happened in Iowa, where GOP politicians essentially ran against California issues, said Jeff Link, an Iowa Democratic strategist who worked for former President Obama’s 2008 campaign and former Vice President Al Gore’s presidential run in 2000.

From Los Angeles Times

Nguema is yet to openly say whether he will run in the election.

From BBC