butterfly effect

noun

: a property of chaotic systems (such as the atmosphere) by which small changes in initial conditions can lead to large-scale and unpredictable variation in the future state of the system

Examples of butterfly effect in a Sentence

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.
The butterfly effect Llamas landed the Telemundo gig soon after a serendipitous career day at Belen Jesuit Prep when local anchor Louis Aguirre, then with Channel 10, returned to his alma mater. Madeleine Marr, Miami Herald, 1 June 2025 In our view, the butterfly effect began in the winter of 2024, when Michigan declined to recruit a quarterback from the transfer portal and, instead, leaned into a collection of unproven, marginally-talented options. Jon Wilner, Mercury News, 22 May 2025 But in this case, hindsight is not 20-20, because who knows how the butterfly effect would have impacted the lottery if the Heat were instead at No. 11 at Monday night’s drawing? Ira Winderman, Sun Sentinel, 13 May 2025 Every action has a butterfly effect that impacts the decisionmaker and those around them. Richard Newby, Time, 29 Apr. 2025 See All Example Sentences for butterfly effect

Word History

First Known Use

1976, in the meaning defined above

Time Traveler
The first known use of butterfly effect was in 1976

Browse Nearby Words

Cite this Entry

“Butterfly effect.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/butterfly%20effect. Accessed 7 Jun. 2025.

More from Merriam-Webster on butterfly effect

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!