IPA: /vɪˈvæsɪti/
KK: /vɪˈvæsɪti/
The quality of being lively, energetic, and full of life.
Her vivacity made the party much more enjoyable for everyone.
Vivacity → It is formed from "vivax" (meaning lively or vigorous) and the suffix "-ity" (meaning the state or quality of). The word "vivacity" refers to the quality of being lively and animated.
Think of 'lively' ('vivax') to remember that 'vivacity' means the quality of being full of life and energy.