life-changing

adjective

life-chang·​ing ˈlīf-ˌchān-jiŋ 

: 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-changing …

—Jocelyn Delk Adams

Examples of life-changing in a Sentence

Recent Examples on the Web

Take the quiz here … MEDICAL CLARITY – 'Goonies' star shares life-changing diagnosis that finally made everything make sense. —FOXNews.com, 9 Sep. 2025

None were deemed to be life-threatening or life-changing. —Lauren Kent, CNN Money, 8 Sep. 2025

With this new life hack, Elliott receives life-changing advice on love, family and the little things that matter the most. —Catherine Santino, PEOPLE, 6 Sep. 2025

Hope wired by technology For patients, the impact could be life-changing. —Neetika Walter, Interesting Engineering, 4 Sep. 2025

Word History

First Known Use

1747, in the meaning defined above

Rhymes for life-changing

• interchanging
• rearranging
• arranging
• exchanging
• unchanging
• changing
• ranging