\ ˈrən-ˌin How to pronounce run-in (audio) \

Definition of run-in

 (Entry 1 of 2)

1 British : the final part of a race or racetrack
3 : something inserted as a substantial addition in copy or typeset matter

run in

ran in; run in; running in; runs in

Definition of run in (Entry 2 of 2)

transitive verb

1a : to insert as additional matter
b : to make (typeset matter) continuous without a paragraph or other break
2 : to arrest for a usually minor offense
3 chiefly British : to break in (a new machine) gradually by careful operation

intransitive verb

: to pay a casual visit

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Examples of run-in in a Sentence


I just thought I'd run in and pick up my package. if we catch you shoplifting again, we're going to run you in

Recent Examples on the Web: Verb

So far, only one Republican has filed to run in the 5th District: Micah Beckwith, a student worship pastor at Northview Church in Carmel. Kaitlin Lange, Indianapolis Star, "Indiana Treasurer Kelly Mitchell likely to run for Susan Brooks' seat in Congress, sources say," 14 Aug. 2019 Incumbent mayor Kevin Faulconer is ineligible to run in the 2020 race due to term limits. Julia Wick, Los Angeles Times, "Newsletter: Where to see the Perseid meteor shower across California," 12 Aug. 2019 Another suit was filed in San Diego by Rocky De La Fuente, a businessman and frequent political candidate who also wants to run in next year’s Republican presidential primary and is unwilling to release his tax returns. Bob Egelko,, "Trump suit against tax-return law assigned to moderate judge," 9 Aug. 2019 Ralphie has been running in the wrong direction for far too long. Joe Nguyen, The Denver Post, "Broncos vs. Seahawks: A roundup from Thursday’s NFL preseason game," 9 Aug. 2019 In 2015, Saudi women were given the right to vote and to run in municipal elections. Alainna Liloia, The Conversation, "Saudi women are fighting for their freedom – and their hard-won victories are growing," 8 Aug. 2019 Other messaging app developers, who have long relied on the internet calling feature to keep their apps running in the background on Apple mobile devices, will also have to rebuild their apps, said people familiar with the issue. Casey Newton, The Verge, "Why deplatforming 8chan can be effective," 8 Aug. 2019 For two months straight, contestants will keep their prototypes running in local apartments, judged on efficiency—and the ability to work under intense heat. Chase Purdy, Quartz, "India is the epicenter of rethinking air conditioning," 26 July 2019 The ads have started running in Pennsylvania, Michigan, Wisconsin, and Florida. Caitlin Conant, CBS News, "2020 Daily Trail Markers: Voters say they may skip Mueller's testimony to Congress," 23 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'run-in.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of run-in


1799, in the meaning defined at sense 1


1888, in the meaning defined at sense 1b

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Statistics for run-in

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Time Traveler for run-in

The first known use of run-in was in 1799

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More Definitions for run-in



English Language Learners Definition of run-in

informal : an angry argument


\ ˈrən-ˌin\

Kids Definition of run-in

: an angry argument

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More from Merriam-Webster on run-in

Rhyming Dictionary: Words that rhyme with run-in

Thesaurus: All synonyms and antonyms for run-in

Spanish Central: Translation of run-in

Nglish: Translation of run-in for Spanish Speakers

Comments on run-in

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of or relating to the heavens

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