IPA: /ˈtæki.nəs/
KK: /ˈtækɪnəs/
The quality of being sticky or having an unpleasantly cheap or gaudy appearance.
The tackiness of the decorations made the party feel less elegant.
Tackiness → It is formed from "tacky" (from the dialectal English word meaning sticky or adhesive) and "-ness" (a suffix used to form nouns indicating a state or condition). The word "tackiness" refers to the state of being sticky or having an adhesive quality.
Think of something that is 'sticky' ('tacky') and the '-ness' that indicates a state. This helps you remember that 'tackiness' means the condition of being sticky.