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 yearslong effort to rein in the use of autonomous weapons systems has struggled to produce limits on use of such lethal autonomous weapons systems. — ABC News, 25 Aug. 2026

Free and charitable clinics scramble to absorb uninsured patients even as Florida’s healthcare squeeze becomes a defining campaign issue, exposing a broader national failure to rein in medical costs. — Ali Swenson, Los Angeles Times, 25 Aug. 2026

Through its own websites, the mysterious group has been portraying itself as vigilantes out to rein in greedy video game developers. — Michael Kan, PC Magazine, 21 Aug. 2026

Armed groups Other experts say the incoming hardline approach to crime and drug trafficking, including through military action, won’t rein in the armed groups that line the border. — Adam Shanks, Miami Herald, 20 Aug. 2026

Rhymes for rein in

• tainan