(esp. of a woman or girl) full of energy and enthusiasm
Everyone at the party was very vivacious and having a good time.
The vivacious host kept the audience entertained throughout the lively event.
A vivacious personality can bring joy and positive energy to social gatherings.
Despite her age, the grandmother remained vivacious, always ready for adventure.
The children were drawn to the vivacious teacher, making learning enjoyable.
