run-in

1 of 2

noun

Synonyms of run-innext
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
somewhat old-fashioned : 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
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Noun
From multiple run-ins with the law to a couple stints in rehab, the 64-year-old actress's 2025 arrest capped her long battle with alcoholism. Christina Dugan Ramirez, FOXNews.com, 10 Feb. 2026 The growing catalog of run-ins comes as a half-century of international peacekeeping efforts along the border face an uncertain future. Arkansas Online, 8 Feb. 2026
Verb
Bronfman said his own inspiration had been a newspaper series about immigration that had run in the Los Angeles Times a few years before the movie came out. Alexander Nazaryan, New Yorker, 10 Feb. 2026 Johnson has set up Shiffrin with a narrow lead ahead of her run in the slalom later today. Sean Nevin, NBC news, 10 Feb. 2026 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 13 Feb. 2026.

Kids Definition

run-in

noun
ˈrən-ˌin
: an angry dispute : quarrel

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