as in contains
to keep from exceeding a desirable degree or level (as of expression)
try to rein in your spending, so you have some money left for saving
Synonyms & Similar Words
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Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for reins (in)
Verb
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The 585-acre neighborhood contains 5 million square feet of office space, including 250,000 square feet of medical offices where John Muir Health has been expanding.
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The ancient Moa Eggshell Cave in New Zealand contains the remains of several extinct animal species lost approximately a million years ago.
Verb
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History shows family successions, whether in North Korea or Syria, tend to happen through rigid authoritarian control, with the transfer of power underwritten by whoever controls the military.
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Even Realities, which was founded in 2023, launched the Even G2 smart glasses with a bigger display in a lighter frame late last year, alongside the Even R1, a smart ring that controls the display of the G2.
Verb
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The Federal Aviation Administration regulates the airspace, and drone owners are responsible for knowing and abiding by those restrictions.
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The Clean Air Act is the federal law that regulates air emissions from stationary and mobile sources and governs air pollution.
Verb
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Imagine a supply chain agent that checks inventory levels regularly, spots potential shortfalls, keeps a list of alternative suppliers and makes purchases when needed.
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The fact is the Original 13 state keeps some paperwork under lock and key for 100 years to everyone except the participants.
Verb
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Remarkably, state law also severely restrains cities and counties from setting their own regulations, giving local leaders little sway over local gun policies.
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The result is an economic model that favors producers, restrains consumers, and floods international markets with supercheap exports, including steel, solar panels, and electric vehicles.
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Cite this Entry
“Reins (in).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/reins%20%28in%29. Accessed 7 Jul. 2026.
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