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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The following contains light spoilers for the Season 3 premiere of Elsbeth.—
Scarlett Harris,
Time,
13 Oct. 2025 -
State regulators ultimately denied Gershman and Citimark a permit to encroach on the portion of the development containing wetland, but warehouse construction is proceeding on the remaining parts of the 150-acre development.—
IndyStar,
IndyStar,
13 Oct. 2025
Verb
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The ocean regulates our climate, supports global trade, and feeds communities.—
Olivier Wenden,
Fortune,
14 Oct. 2025
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American laws aren’t equipped to deal with the fast-moving ambitions of CEO Elon Musk, and Washington doesn’t seem in a hurry to regulate his company.—
Chris Isidore,
CNN Money,
13 Oct. 2025
Verb
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China places export controls on rare earth minerals The new rules curb the supply chain for the semiconductors that are used in phones, computers, AI data centers, cars, solar panels, and other IT kit.—
Geoff Colvin,
Fortune,
10 Oct. 2025
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Either of these original conditions would compel us to curb our aspirations to self-making, self-saving, and self-liberation as harmful forms of willfulness.—
Literary Hub,
Literary Hub,
10 Oct. 2025
Verb
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Hamas controls the government in the enclave.—
Yamiche Alcindor,
NBC news,
10 Oct. 2025
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These lasers can produce massive amounts of light, but the beam is often unstable and difficult to control.—
Aamir Khollam,
Interesting Engineering,
10 Oct. 2025
Verb
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Individual bulbs need to be spaced at least an inch apart, so keep that in mind when choosing the width of your container.—
Brandee Gruener,
Southern Living,
13 Oct. 2025
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Such pleasurable pains, at their most chronic, or their most carnal, can keep Lang occupied for the length of a stanza.—
Anthony Lane,
New Yorker,
13 Oct. 2025
Verb
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As is his wont, Schumacher leans into the emotional manipulation — heaven forbid the man should ever restrain himself — which actually undercuts the emotions on display.—
Bilge Ebiri,
Vulture,
10 Oct. 2025
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The goal is to learn how Treg cells and other immune cells can be kept in equilibrium – strong enough to defend against infections and cancer yet restrained enough to prevent autoimmune and inflammatory diseases.—
Mitzi Nagarkatti,
The Conversation,
10 Oct. 2025
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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 15 Oct. 2025.
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