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
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The Senate voted 53 to 47 to reject a resolution that would have forced President Trump to go to Congress for approval of another military strike against Iran, frustrating the effort to rein in his war powers and return authority to lawmakers. Robert Jimison, New York Times, 28 June 2025 This does not mean that courts can never rein in a rogue president or administrative agency. The Editors, National Review, 27 June 2025 Any communication tool can be used for good or for evil, but now is the time to start seriously discussing policy on the ethical use of AI in communication before these tools become too sophisticated to rein in. Andrew Luttrell, Time, 24 June 2025 Trump has publicly mulled the U.S. directly engaging militarily to devastate Iran’s nuclear capabilities in the absence of a deal to rein in Tehran’s nuclear program. Jesse Byrnes, The Hill, 19 June 2025 See All Example Sentences for rein in

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Cite this Entry

“Rein in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rein%20in. Accessed 4 Jul. 2025.

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