prosperity UK /pɹɒˈspɛɹ.ɪ.ti/US /pɹɑˈspɛɹ.ɪ.ti/ noun1 •The condition of being prosperous: having good fortune and a fortune.“Eating meat means prosperity in the coming year,” the roastery wrote on Weibo on February 5, days before the Lunar New Year began. — 2024 formsprosperities