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

New laws in California, Colorado, Connecticut and Illinois seek to curb AI bias, rein in ‘robo bosses’ and protect children from opaque, emotionally manipulative chatbots. —Marc Levy, Los Angeles Times, 21 June 2026

Och himself, who took the reins in 2010, is only the fest’s third artistic director. —Jessica Kiang, Variety, 21 June 2026

Duckett is the first woman to lead the $51 billion insurance company after taking the reins in 2021, and is one of only two Black women currently serving as Fortune 500 chief executives. —Cheyann Harris, Fortune, 19 June 2026

Jessie takes the reins in the newest installment, which smartly takes the franchise into the Internet era. —Brian Truitt, USA Today, 19 June 2026

Rhymes for rein in

• tainan