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

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But his proposal at least threatens to make the city more expensive for both businesses and billionaires in an effort to rein in costs for the rest of the city's residents. NPR, 6 Nov. 2025 Republicans must credibly promise to rein in irresponsible spending and smartly cut waste so that Americans see tangible relief. Josh Hammer, MSNBC Newsweek, 5 Nov. 2025 The company is already reining in the growth of its white-collar workforce. Annie Palmer, CNBC, 5 Nov. 2025 The findings add pressure to the UN’s COP30 climate summit this month, where countries will debate how to kick-start and finance faster action to rein in global warming. CNN Money, 4 Nov. 2025 See All Example Sentences for rein in

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“Rein in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rein%20in. Accessed 13 Nov. 2025.

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