rethink

verb

re·​think (ˌ)rē-ˈthiŋk How to pronounce rethink (audio)
rethought (ˌ)rē-ˈthȯt How to pronounce rethink (audio) ; rethinking
Synonyms of rethinknext

transitive verb

: to think about again : reconsider

intransitive verb

: to engage in reconsideration
rethink
ˈrē-ˌthiŋk How to pronounce rethink (audio)
ˈrē-ˈthiŋk
noun
rethinker noun

Examples of rethink in a Sentence

You had better rethink your decision. The government is rethinking its policy. He took a moment to rethink.
Recent Examples on the Web
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.
However, calculations on the fallout from atmospheric detonations forced scientists to rethink this. Matthew S Williams, Interesting Engineering, 10 Jan. 2026 Many of these airports require travelers to drive past a larger hub, rethink their usual departure point, or connect through another airport to reach their final destination. Lauren Dana Ellman, Travel + Leisure, 10 Jan. 2026 But if their time unemployed continues to rise, would-be undergraduates might begin to rethink the value of their investment, the report suggests. Max Klaver, Miami Herald, 10 Jan. 2026 You may have been temporarily blinded; rethink a matter that’s been at the forefront of your mind. Magi Helena, Dallas Morning News, 8 Jan. 2026 See All Example Sentences for rethink

Word History

First Known Use

1509, in the meaning defined at transitive sense

Time Traveler
The first known use of rethink was in 1509

Browse Nearby Words

Cite this Entry

“Rethink.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rethink. Accessed 13 Jan. 2026.

Kids Definition

rethink

verb
re·​think rē-ˈthiŋk How to pronounce rethink (audio)
rethought -ˈthȯt How to pronounce rethink (audio) ; rethinking
: to think about again : reconsider

More from Merriam-Webster on rethink

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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