flamboyant

American Heritage® Dictionary of the English Language, Fourth Edition

1. adj. Highly elaborate; ornate.
2. adj. Richly colored; resplendent.
3. adj. Architecture Of, relating to, or having wavy lines and flamelike forms characteristic of 15th- and 16th-century French Gothic architecture.
4. adj. Given to ostentatious or audacious display. See Synonyms at showy.
5. n. See royal poinciana.

Century Dictionary and Cyclopedia

1. Flaming.
2. Wavy; having a waved outline like that of a flame: said of the blades of certain heavy swords of the middle ages, and of the Malay creese and similar weapons. Also flaming.
3. In architecture: Characterized by wavy, flame-like tracery, as in windows and openwork: an epithet applied to that highly ornate or florid style of French medieval architecture which was contemporary with the English Perpendicular, or to details in this style: as, a flamboyant window. The west fronts of the cathedrals of Rouen, and of St. Wulfran at Abbeville, and portions of that of St. Lô, all in France, are among the most beautiful examples of the style.
4. Characterized by irregular and distorted forms or glaring colors.
5. Hence Figuratively, of style, dress, and the like, florid; conspicuous; showy: as, a flamboyant rhetoric.
6. n. A name given in the West Indies to several plants with brilliantly colored flowers, as Cæsalpinia pulcherrima, Poinciana regia, and Erythrina Corallodendron.

Wiktionary

1. adj. Showy, bold or audacious in behaviour, appearance, etc.
2. adj. architecture Referred to as the final stage of French Gothic architecture from the 14th to the 16th centuries.
3. n. A showy tropical tree, the royal poinciana (Delonix regia)

GNU Webster's 1913

1. adj. (Arch.) Characterized by waving or flamelike curves, as in the tracery of windows, etc.; -- said of the later (15th century) French Gothic style.

WordNet 3.0

1. adj. elaborately or excessively ornamented
2. n. showy tropical tree or shrub native to Madagascar; widely planted in tropical regions for its immense racemes of scarlet and orange flowers; sometimes placed in genus Poinciana
3. adj. marked by ostentation but often tasteless