\ 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 This article originally ran in Term Sheet, Fortune’s newsletter about deals and dealmakers. Polina Marinova, Fortune, "The Must-Read Stories From Fortune’s 2020 Investor’s Guide," 22 Nov. 2019 Tibbetts disappeared in July 2018 while out for a run in Brooklyn, Iowa. Washington Post, "Hearing to consider key evidence in Iowa student’s death," 13 Nov. 2019 Verlander gave up 10 runs in the first inning during six postseason starts this year after allowing 12 during 34 regular-season outings, Houston needed just four pitches to tie the score. Ronald Blum,, "Nationals, Strasburg top Astros 7-2 to force Game 7 of World Series," 30 Oct. 2019 The Astros had scored two runs in the bottom of the first inning. Eliott C. Mclaughlin, CNN, "World Series: Washington Nationals force Game 7 with another road win," 29 Oct. 2019 The righty finished his night with nine strikeouts, three hits and one run in seven innings. Peter Dawson, Houston Chronicle, "Altuve's ALCS homer, Alvarez's debut highlight biggest Astros moments of the season (so far)," 28 Oct. 2019 Last start: Yielded four runs in five innings, but struck out 12 St. Louis Cardinals in Game 4 as the Nationals completed an NLCS sweep Oct. 15. Johnny Parlay, USA TODAY Sportsbook Wire, "Houston Astros at Washington Nationals World Series Game 4 odds, picks and betting tips," 26 Oct. 2019 Williams surrendered 12 runs in 16.1 innings of work. Rebecca Edwards, Quartz, "Gambling built baseball—and then almost destroyed it," 25 Oct. 2019 But the big problem was the Tigers' offense, which scored just six runs in those four games against the Giants. Jeff Seidel, Detroit Free Press, "Detroit Tigers could have kept Max Scherzer. Instead they have Miguel Cabrera," 22 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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Time Traveler for run-in

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The first known use of run-in was in 1799

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Cite this Entry

“Run-in.” The Dictionary, Merriam-Webster Inc., Accessed 9 December 2019.

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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

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