[adj] tastelessly showy; "a flash car"; "a flashy ring"; "garish colors"; "a gaudy costume"; "loud sport shirts"; "a meretricious yet stylish book"; "tawdry ornaments"
[adj] (of a glutinous liquid such as paint) not completely dried and slightly sticky to the touch; "tacky varnish"
Synonyms
brassy, cheap, flash, flashy, garish, gaudy, gimcrack, in poor taste(p), loud, meretricious, tasteless, tatty, tawdry, trashy, wet