showy, flaunty, pretentious, kitsch, conspicuous, tasteless, splashy, in poor taste, ostentatory, ostentacious, more...

unassuming, unpretentious, humble

showy, flashy, garish, gaudy, loud, tacky, vulgar, more...

being too fancy,   just for show,   extremely fancy,   overly fancy,   too fancy,   showy to the max,   overly showy,   more flashy,   like a popinjay,   excessively fancy