i Register
In some senses, tacky is marked as colloquial. Watch for register when choosing this word.
adj
Of a substance, slightly sticky.
This paint isn't dry yet; it's still a bit tacky.
adj
Of low quality.
That market stall sells all sorts of tacky ornaments.
In poor taste.
That was a tacky thing to say.
Gaudy or flashy.
Steve Randle was seventeen, tall and lean, with thick greasy hair he kept combed in complicated swirls. He was tacky, smart, and Soda's best buddy since grade school.
Shabby, dowdy in one's appearance or dress.
noun
Alternative form of tackey.