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
Relevance
Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for rein (in)
Verb
-
Apple Cider Vinegar Apple cider vinegar contains acetic acid, which can alter the pH balance of urine.—
MD Published,
Verywell Health,
20 Oct. 2025 -
The popcorn may contain undeclared peanuts, posing a serious risk of allergic reactions.—
Jenna Anderson,
Health,
20 Oct. 2025
Verb
-
Advertisement Minimal protections for football’s youngest players Experts argue that youth football is the least regulated of all.—
Alana Semuels,
Time,
20 Oct. 2025
-
The chimney, a symbol of the site’s industrial heritage, now functions as an intake for external air captured at 60 meters, which is then circulated through the bioclimatic greenhouse on the south facade, which Ruffini highlighted, and that helps to regulate internal temperatures.—
Luisa Zargani,
Footwear News,
20 Oct. 2025
Verb
-
Tensions were already high between Washington and Bogotá over President Gustavo Petro’s attempts to curb drug trafficking, threatening the countries’ close security and commercial relations.—
J.D. Capelouto,
semafor.com,
19 Oct. 2025
-
As a way to help curb these issues without generating waste, TNC teamed up with the Henry Doorly Zoo to cut back the trees and shrubs at the preserve and then use the clippings to supplement the diets of some of the zoo's largest animals.—
Kelli Bender,
PEOPLE,
17 Oct. 2025
Verb
-
By controlling the pressure inside the robot’s body and the temperature of the actuators, the researchers were able to steer it through intricate paths.—
Neetika Walter,
Interesting Engineering,
16 Oct. 2025
-
In return, Moscow controlled strategic ports and bases on the Mediterranean, and gained access to lucrative phosphate mining and fossil fuel deals.—
Danny Makki,
New York Times,
16 Oct. 2025
Verb
-
Anglers who want to keep their catch fresh on a long drive home are better served to cover fish in a dry livewell with ice.—
Arkansas Online,
Arkansas Online,
21 Oct. 2025
-
After keeping her loyalty to Tommy on their night off, this week, Kizzi is back to flirting with everyone, everywhere.—
Rafaela Bassili,
Vulture,
21 Oct. 2025
Verb
-
Amy Morrell, 53, a direct care staff member at the school, and other staff were attempting to restrain the teen, who officials say had been trying to leave a dorm building without permission, when the student allegedly kicked her in the chest, according to the district attorney's office.—
Meredith Deliso,
ABC News,
17 Oct. 2025
-
The measure has since been watered down and now requires children between the ages of 8 to 16, starting in 2027, to pass a five-step test to be considered properly restrained by a seat belt.—
CalMatters,
Oc Register,
16 Oct. 2025
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Cite this Entry
“Rein (in).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/rein%20%28in%29. Accessed 23 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share