Open English Wordnet
Nouns
(n)royal poinciana, flamboyant, flame tree, peacock flower, Delonix regia, Poinciana regiashowy 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
Adjectives
(s)flamboyant, showy, splashymarked by ostentation but often tasteless“a cheap showy rhinestone bracelet”, “a splashy half-page ad”
(s)aureate, florid, flamboyantelaborately or excessively ornamented“flamboyant handwriting”, “the senator's florid speech”