\ 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

Verb 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 His runs in the fourth quarter put away the Browns. Mark Kiszla, The Denver Post, "Lunch Special: If Broncos QB Brandon Allen keeps winning, will Drew Lock not play this season?," 4 Nov. 2019 Gustafson finished his two runs in 1 minute, 43.522 seconds., "to pull out of his Paris Masters semifinal, meaning top-ranked," 3 Nov. 2019 The Blazers won 53 games, finished third in the West and advanced to the playoffs for the sixth consecutive year last season before reaching the Western Conference finals, their deepest playoff run in 19 years. Jamie Goldberg, oregonlive, "5 questions facing the Portland Trail Blazers ahead of the 2019-2020 season," 22 Oct. 2019 The Yankees tallied their first run in the second inning against Peacock on Gary Sanchez’s single. Los Angeles Times, "Jose Altuve’s walk-off home run sends Astros past Yankees and into World Series," 19 Oct. 2019 Cranston managed to shoot that sequence by sneaking off during his Tony-winning run in Network for a tactical and stealth operation in January. Dan Snierson,, "Bryan Cranston on El Camino's secret reunion, Robert Forster, and if he'll play Walt again," 18 Oct. 2019 Century hasn’t beat Westminster since 2009, and the Knights won four in a row before the Owls started their own winning run in the series. Eric Bem,, "Football: Westminster puts up another dominating performance, blanking Century," 18 Oct. 2019 When its two-year run in the cafe concludes, some of Ms. Brätsch’s parts might migrate to the second-floor collection galleries. Roberta Smith, New York Times, "MoMA’s Art Treasure, No Longer Buried," 17 Oct. 2019 Kate Middleton is continuing her stylish run in Pakistan. Chloe Foussianes, Town & Country, "Kate Middleton Receives a Traditional Chitrali Hat and Shawl During the Royal Tour of Pakistan," 16 Oct. 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

Time Traveler for run-in

The first known use of run-in was in 1799

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More Definitions for run-in


How to pronounce run in (audio)

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

Thesaurus: All synonyms and antonyms for run-in

Rhyming Dictionary: Words that rhyme with run-in

Spanish Central: Translation of run-in

Nglish: Translation of run-in for Spanish Speakers

Comments on run-in

What made you want to look up run-in? Please tell us where you read or heard it (including the quote, if possible).


to engage in dissolute behavior

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