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
The tension in Texas reflects a national struggle to rein in abuse, even as campaigns embrace AI’s legitimate efficiencies, such as creating customized voter messages.
—
Philip Jankowski, Dallas Morning News, 2 Jan. 2026
The move landed as French customs continues to tighten scrutiny on Shein shipments and as lawmakers weigh new levers—including the Digital Services Act and Digital Markets Act—to rein in online platforms.
—Alexandra Harrell, Sourcing Journal, 31 Dec. 2025
The law mandating the report is the lone survivor of last year’s push to rein in the data-center industry.
—Calmatters, Oc Register, 29 Dec. 2025
Some exchanges are moving to rein in risk amid heightened volatility.
—Jack Ryan, Bloomberg, 29 Dec. 2025
See All Example Sentences for rein in
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Philip Jankowski, Dallas Morning News, 2 Jan. 2026
The move landed as French customs continues to tighten scrutiny on Shein shipments and as lawmakers weigh new levers—including the Digital Services Act and Digital Markets Act—to rein in online platforms.
—Alexandra Harrell, Sourcing Journal, 31 Dec. 2025
The law mandating the report is the lone survivor of last year’s push to rein in the data-center industry.
—Calmatters, Oc Register, 29 Dec. 2025
Some exchanges are moving to rein in risk amid heightened volatility.
—Jack Ryan, Bloomberg, 29 Dec. 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 10 Jan. 2026.
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