Home › Words › T › thrivingnessthrivingnessthrivingness means the quality or condition of something or sometone who thrives; prosperity; growth.Among words judged in Lexicurio's Arena, thrivingness ranks #12,321 of 42,747 for Qualifying.EtymologyFrom thriving + -ness.nounThe quality or condition of something or sometone who thrives; prosperity; growth.Definitions & examples from Wiktionary (CC BY-SA 3.0).