(adjective)
striking, attracting attention due to one's confidence, stylishness, or lively/energetic manner and behavior;
e.g. She gave a flamboyant performance in the role, perfectly capturing the character's energy.
(adjective)
bright, colorful, and/or elaborate and thus very noticeable or striking;
e.g. He wore a flamboyant purple suit on the red carpet.
(adjective)
having a design of curves or waves similar to the appearance of flames, especially in context of the style of ornate decorations that mark a particular type of French Gothic architecture;
e.g. The cathedral had flamboyant tracery carved from gray stone.
(noun)
a type of tree that is native to Madagascar and characterized by bright, showy red and orange flowers and leaves that have leaflets;
e.g. We passed a huge flamboyant by the side of the road.