#1 tacky s. (of a glutinous liquid such as paint) not completely dried and slightly sticky to the touch; "tacky varnish". wn
#2 tacky s. [brassy, cheap, flash, flashy, garish, gaudy, gimcrack, loud, meretricious, tatty, tawdry, trashy] tastelessly showy; "a flash car"; "a flashy ring"; "garish colors"; "a gaudy costume"; "loud sport shirts"; "a meretricious yet stylish book"; "tawdry ornaments". wn
vizzz