IPA: /vɪˈveɪʃəs/
KK: /vɪˈveɪʃəs/
Full of life and energy; lively and spirited.
She has a vivacious personality that makes everyone around her feel happy.
Vivacious → It is formed from "vivere" (meaning to live) and the suffix "-acious" (meaning full of or characterized by). The word "vivacious" describes someone who is full of life and spirited.
Think of 'living' ('vivere') and being 'full of' ('-acious') energy — that's why vivacious means full of life and lively.