as in to contain
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 rein (in)
Verb
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Honorable mentions New to the regular concession offerings, the Baja-style fruit cups are a light and refreshing snack containing slices of watermelon, mango, jicama and cucumber and they are garnished with chamoy, lime juice and Tajin.—
Carlos Rico,
San Diego Union-Tribune,
18 Feb. 2026 -
Water and moisture resistance Wood and water don’t mix well, and any type of flooring that contains wood will be prone to warping, rot and permanent water damage.—
Dan Simms,
USA Today,
17 Feb. 2026
Verb
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The American Water Works Association, a utility industry association, had challenged the rule in court, arguing the EPA lacks authority to regulate the portion of the pipe that’s on private property and therefore cannot require water systems to replace them.—
Michael Phillis,
Chicago Tribune,
21 Feb. 2026
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Meanwhile, eating fiber helps regulate blood sugar, cholesterol, and digestion, and supports feelings of fullness.—
Merve Ceylan,
Health,
21 Feb. 2026
Verb
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This person and others did express concern that a Supreme Court challenge could permanently damage the EPA, creating an uneven playing field while reducing incentives to curb greenhouse gases at a critical time for the planet.—
Diane Brady,
Fortune,
13 Feb. 2026
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Regulators have taken notice, with the Shanghai Gold Exchange repeatedly raising margin requirements to curb heightened volatility.—
Lee Ying Shan,
CNBC,
13 Feb. 2026
Verb
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There is no specific rule about who qualifies for the honor, a decision controlled by concurrence from both the House and Senate.—
MATT BROWN,
Arkansas Online,
21 Feb. 2026
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First, Iran would have to be able to control the strait after a strike.—
David Goldman,
CNN Money,
20 Feb. 2026
Verb
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Vitello, though, knows enough about spring ball to keep things in perspective.—
Haley Smilow,
Mercury News,
22 Feb. 2026
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Overall, Lowell head coach Nick Logan is proud of his girls for keeping their drive and dedication all the way to the win.—
Hannah Hughes,
Boston Herald,
22 Feb. 2026
Verb
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Male mice also recovered faster from a small surgical incision and from being restrained in a tube for two hours — a scenario designed to mimic the physical and emotional stress of a car accident.—
Aria Bendix,
NBC news,
20 Feb. 2026
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Officers smashed open their window with a weapon before pulling them out and restraining them.—
Isabelle Chapman,
CNN Money,
19 Feb. 2026
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Cite this Entry
“Rein (in).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/rein%20%28in%29. Accessed 22 Feb. 2026.
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