tacky (1)EnglishOxford New American Dictionarytacky1 /ˈtakē, ˈtæki / ▸ adjective (tackier, tackiest) (of glue, paint, or other substances) retaining a slightly sticky feel; not fully dry: the paint was still tacky. – DERIVATIVES tackiness /ˈtakēnəs, ˈtækinəs / noun