"showiest" in the adjective sense
1. flamboyant, showy, splashy
marked by ostentation but often tasteless
"a cheap showy rhinestone bracelet"
"a splashy half-page ad"
displaying brilliance and virtuosity
3. flashy, gaudy, jazzy, showy, sporty
used especially of clothes) marked by conspicuous display
4. glossy, showy
superficially attractive and stylish suggesting wealth or expense
"a glossy TV series"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License