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
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
According to an account on Jorginho's Instagram story on Saturday, March 21, his 11-year-old daughter was reduced to tears after an unpleasant run-in with Roan's security guard. Nicole Fallert, USA Today, 23 Mar. 2026 Local media coverage of the case has, so far, mainly focused on Jalloh’s even earlier release from federal custody, an interaction that occurred more than four years before the 2023 run-in. Mia Cathell, The Washington Examiner, 22 Mar. 2026
Verb
The duel didn’t disappoint, as Langford and the Eagles broke a 2-2 deadlock, punching across a pair of runs in the bottom of the sixth to emerge with a 4-2 triumph over the Falcons. Mike Waters, Fort Worth Star-Telegram, 25 Mar. 2026 But after a disastrous run in ticket sales with the San Francisco Giants, Hewitt returned to Wabash as an assistant coach. Walter Villa, Miami Herald, 24 Mar. 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 28 Mar. 2026.

Kids Definition

run-in

noun
ˈrən-ˌin
: an angry dispute : quarrel

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