-altering

-altering

adj
(in combination) causing change to the thing specified: life-altering.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Translations

-altering

[ˈɔːltərɪŋ] suffix
life-altering → qui change la vie
It will be a life-altering decision → Cette décision changera la vie. mind-altering, mood-altering
Collins English/French Electronic Resource. © HarperCollins Publishers 2005