rein in
verb
reined in; reining in; reins in
1
: to limit or control (someone or something)
Congress must rein in spending.
You had better rein that kid in before she gets hurt.
2
: to make (an animal) stop by using reins
The rider reined in his horse.
Examples of rein in in a Sentence
Recent Examples on the Web
Clara Solvit took the reins in 2018 as only the seventh cheesemonger in the boutique’s history.
—
Mary Winston Nicklin, Condé Nast Traveler, 1 June 2026
The documentary records how Spithill was pushed aside as Buckley and his wealthy co-partner, Ryan McKillen, the founding engineer and employee #3 at Uber, took over the reins in November 2023 and opted for their All-American strategy, in which there would be no place for Spithill.
—Andrew Rice, New York Times, 29 May 2026
As public health workers in the Democratic Republic of Congo work to rein in a growing outbreak of a rare Ebola virus, other countries are establishing protocols for keeping their own populations safe.
—Katrine L. Wallace, The Conversation, 29 May 2026
The California State Assembly passed a new bill that lawmakers hope can rein in a black market in restaurant reservations.
—Kassia Bonesteel, CBS News, 28 May 2026
See All Example Sentences for rein in
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Mary Winston Nicklin, Condé Nast Traveler, 1 June 2026
The documentary records how Spithill was pushed aside as Buckley and his wealthy co-partner, Ryan McKillen, the founding engineer and employee #3 at Uber, took over the reins in November 2023 and opted for their All-American strategy, in which there would be no place for Spithill.
—Andrew Rice, New York Times, 29 May 2026
As public health workers in the Democratic Republic of Congo work to rein in a growing outbreak of a rare Ebola virus, other countries are establishing protocols for keeping their own populations safe.
—Katrine L. Wallace, The Conversation, 29 May 2026
The California State Assembly passed a new bill that lawmakers hope can rein in a black market in restaurant reservations.
—Kassia Bonesteel, CBS News, 28 May 2026
See All Example Sentences for rein in
Cite this Entry
“Rein in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rein%20in. Accessed 5 Jun. 2026.
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