Open English Wordnet
(s)brassy, cheap, flash, flashy, garish, gaudy, gimcrack, loud, meretricious, tacky, tatty, tawdry, trashytastelessly showy“a flash car”,
“a flashy ring”,
“garish colors”,
“a gaudy costume”,
“loud sport shirts”,
“a meretricious yet stylish book”,
“tawdry ornaments”