life-changingly
adv/ˈlaɪfˌt͡ʃeɪnd͡ʒɪŋli/
Etymology From life-changing + -ly (adverbial suffix).
1
In a way that has a significant effect on the course of one's life; in a life-changing way.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.