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
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
Plus, after a backstage run-in last week, Carmelo Hayes will be in singles action against one half of Pretty Deadly, Kit Wilson. Fernando Quiles Jr, MSNBC Newsweek, 31 Oct. 2025 Fjällräven High Coast Hip Pack Joanna Gaines wore this exact Fjällräven crossbody bag during a run-in with Blake Lively last fall. Averi Baudler, PEOPLE, 30 Oct. 2025
Verb
Kareem Hunt ran in a 1-yard touchdown early in the fourth quarter to cut the Bills’ lead to seven, and the Chiefs had the ball last with a chance to tie. Kyle Feldscher, CNN Money, 3 Nov. 2025 The book doesn’t describe any type of particular link between Andrew and Melania, other than suggesting the two ran in Epstein’s circles around the same time. Lizzie Lanuza, StyleCaster, 3 Nov. 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 6 Nov. 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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