1. full of energy and enthusiasm; lively and animated

Examples

• She was a vivacious host who made everyone feel welcome at the party.
• The vivacious young actress captivated the audience with her performance.
• His vivacious personality made him popular among his classmates.
• The vivacious conversation at dinner kept everyone entertained.
• Despite her age, she remained vivacious and full of life.
• The vivacious colors of the painting brightened the entire room.