1. [ adjective ] (of a glutinous liquid such as paint) not completely dried and slightly sticky to the touch

"tacky varnish"

Related terms: wet
2. [ adjective ] tastelessly showy
Synonyms: gaudy cheap loud flashy tawdry meretricious tatty garish trashy gimcrack flash brassy

"a flash car" "a flashy ring" "garish colors" "a gaudy costume" "loud sport shirts" "a meretricious yet stylish book" "tawdry ornaments"

Related terms: tasteless
Similar spelling:   Tack