The word tackiness refers to something that is cheap, vulgar, or in bad taste. Its antonyms are words that describe the opposite - something that is chic, elegant, and stylish. These words include sophistication, refinement, subtlety, and grace. A sophisticated and refined person would never be associated with tackiness. Likewise, a subtle and graceful design or artwork would be considered the antithesis of something that is tacky. While tackiness often refers to a lack of taste or class, the antonyms for this word imply sophistication and discrimination, characteristics that are highly valued in today's society.