run-in

1 of 2

noun

1
British : the final part of a race or racetrack
2
3
: something inserted as a substantial addition in copy or typeset matter

run in

2 of 2

verb

ran in; run in; running in; runs in

transitive verb

1
a
: 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

Examples of run-in in a Sentence

Noun the rival gangs had a bit of a run-in last night 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Previous Oversight investigation If Feldman were to get brought into Oversight’s investigation into the Biden administration, this would not be her first run-in with Comer. Lauren Green, The Washington Examiner, 14 July 2025 Pratt ran into Ben Affleck while out in Los Angeles in May 2018 and quickly took to social media to share the chance run-in with the world. Julia Emmanuele, People.com, 13 July 2025
Verb
How many intelligent devices are running in your home right now? Rajesh Subramaniam, Forbes.com, 24 July 2025 Tuesday’s performance came in support of Mets starter Frankie Montas, who worked around eight hits and two walks to limit the Angels to two runs in 5.2 innings. Peter Sblendorio, New York Daily News, 23 July 2025 See All Example Sentences for run-in

Word History

First Known Use

Noun

1799, in the meaning defined at sense 1

Verb

1888, in the meaning defined at sense 1b

Time Traveler
The first known use of run-in was in 1799

Browse Nearby Words

Cite this Entry

“Run-in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/run-in. Accessed 29 Jul. 2025.

Kids Definition

run-in

noun
ˈrən-ˌin
: an angry dispute : quarrel

More from Merriam-Webster on run-in

Last Updated: - Updated example sentences
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