rein in
phrasal 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
Most of us would agree, though, that this kind of reining in AI is not low-priority.
—
John Werner, Forbes.com, 13 Sep. 2025
So far, the CFTC has shown little interest in reining in Kalshi.
—Fort Worth Star-Telegram, 12 Sep. 2025
Chinese policymakers have intensified efforts aimed at reining in excessive price cuts that have eroded corporate profits while doing little to spur demand.
—Anniek Bao, CNBC, 10 Sep. 2025
Tacit acceptance As North Korea’s main ally and economic lifeline, China has long been central to global efforts to rein in Pyongyang’s nuclear ambitions – at times working in tandem with the United States.
—Nectar Gan, CNN Money, 10 Sep. 2025
See All Example Sentences for rein in
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John Werner, Forbes.com, 13 Sep. 2025
So far, the CFTC has shown little interest in reining in Kalshi.
—Fort Worth Star-Telegram, 12 Sep. 2025
Chinese policymakers have intensified efforts aimed at reining in excessive price cuts that have eroded corporate profits while doing little to spur demand.
—Anniek Bao, CNBC, 10 Sep. 2025
Tacit acceptance As North Korea’s main ally and economic lifeline, China has long been central to global efforts to rein in Pyongyang’s nuclear ambitions – at times working in tandem with the United States.
—Nectar Gan, CNN Money, 10 Sep. 2025
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 18 Sep. 2025.
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