12
life-altering(expression, adjective, characteristic, change, changing)
8
ever-changing(expression, adjective, characteristic, change, changing)
7
life-defining(expression, adjective, characteristic, change, changing)
7
life changing(expression, adjective, changing, mind-blowing, modifying)
7
turning point(expression, characteristic, change, moment, influence)
7
momentous(adjective, characteristic, change, important, critical)
6
earthshaking(adjective, characteristic, change, important, critical)
6
earthshattering(adjective, characteristic, change, important, critical)
6
monumental(adjective, characteristic, change, important, critical)
5
altering a person's life(expression, adjective, characteristic, change, changing)
5
turning over a new leaf(expression, adjective, characteristic, change, changing)
5
evolutionary(adjective, characteristic, change, influence, effect)
5
fateful(adjective, characteristic, change, moment, important)
5
life altering(expression, adjective, characteristic, change, changing)
4
life defining(expression, adjective, characteristic, change, changing)
4
shattering(adjective, characteristic, change, important, critical)
4
critical(adjective, characteristic, change, influence, important)
3
altering(adjective, characteristic, change, changing, alternation)
3
crucial(adjective, characteristic, change, influence, important)
3
decisive(adjective, characteristic, change, important, critical)
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APASmart Define. (1970). life-changing thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/life-changing/thesaurus/synonyms
ChicagoSmart Define. 1970. "life-changing thesaurus" https://smartdefine.org/life-changing/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 1970, life-changing thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/life-changing/thesaurus/synonyms>.
MLASmart Define. "life-changing thesaurus" 1 January 1970. Web. 20 September 2026. <https://smartdefine.org/life-changing/thesaurus/synonyms>