rein in

phrasal verb
reined in; reining in; reins in

Definition of rein 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.

Learn More About rein in

Dictionary Entries Near rein in

Reinhardt

rein in

reinitiate

See More Nearby Entries 

Statistics for rein in

Cite this Entry

“Rein in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rein%20in. Accessed 5 Oct. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

The Great British Vocabulary Quiz

  • union jack speech bubble
  • Named after Sir Robert Peel, what are British police called?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!