: having or capable of having a significant impact on someone's life
a life-changing career opportunity
a life-changing injury
… in 1986 he took a year off to travel. The experience was life-changing and led to his 1991 decision to pursue writing full-time.Carolyn Hart
(humorous) Made with fresh carrots, pineapple, a blend of warm spices and a homemade brown butter cream cheese frosting, this carrot cake recipe is life-changingJocelyn Delk Adams

Examples of life-changing 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.
Klassen recently won the Astrid Lindgren Memorial Award, receiving the life-changing news one morning quite by surprise (highly recommend listening to the phone call between Klassen and the entire jury). Literary Hub, 18 Sep. 2026 Mendoza received the life-changing call from the Raiders at home in South Florida instead of taking in the draft festivities in Pittsburgh. Skyler Caruso, PEOPLE, 16 Sep. 2026 This dates back to the dawn of consumer-facing chatbot AI, which didn’t have a long honeymoon period as exciting and life-changing tech. Ashley Gold, semafor.com, 15 Sep. 2026 When values, family and life-changing consequences are involved, human judgment should have the final say. Expert Panel®, Forbes.com, 14 Sep. 2026 See All Example Sentences for life-changing

Word History

First Known Use

1747, in the meaning defined above

Time Traveler
The first known use of life-changing was in 1747

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Cite this Entry

“Life-changing.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/life-changing. Accessed 19 Sep. 2026.

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