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
The long-running fight to rein in the government’s power to search Americans’ phone calls, emails and text messages without a warrant has gained new urgency on Capitol Hill over concerns that AI will supercharge state surveillance.
—
Jared Perlo, NBC news, 26 Apr. 2026
Armored vehicles and police in riot gear were deployed to rein in the crowd and prevent access to certain parts of the square.
—Joy Lee, Bloomberg, 25 Apr. 2026
The charges against Van Dyke come at a sensitive time for the prediction market industry, which has been growing exponentially, despite calls in Washington and among state leaders for the sites to be reined in.
—Bobby Allyn, NPR, 23 Apr. 2026
Ortberg took the reins in August 2024, tasked with course-correcting for Boeing after years of safety and manufacturing crises that have cost the company billions of dollars.
—Leslie Josephs, CNBC, 22 Apr. 2026
See All Example Sentences for rein in
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.
Jared Perlo, NBC news, 26 Apr. 2026
Armored vehicles and police in riot gear were deployed to rein in the crowd and prevent access to certain parts of the square.
—Joy Lee, Bloomberg, 25 Apr. 2026
The charges against Van Dyke come at a sensitive time for the prediction market industry, which has been growing exponentially, despite calls in Washington and among state leaders for the sites to be reined in.
—Bobby Allyn, NPR, 23 Apr. 2026
Ortberg took the reins in August 2024, tasked with course-correcting for Boeing after years of safety and manufacturing crises that have cost the company billions of dollars.
—Leslie Josephs, CNBC, 22 Apr. 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 27 Apr. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
