For a person's appearance or personality:
* The flamboyant artist wore a bright purple suit and a feathered hat to the opening night of his exhibition.
* The singer's flamboyant performance captivated the audience, with his elaborate costumes and dramatic movements.
For something that is showy or ornate:
* The flamboyant architecture of the palace was a stark contrast to the simplicity of the surrounding buildings.
* The flamboyant floral arrangements in the ballroom were a feast for the eyes.
For something that is excessively bold or attention-grabbing:
* The politician's flamboyant speech was filled with hyperbole and outrageous claims.
* The company's flamboyant marketing campaign was designed to shock and provoke consumers.