IPA: /ˈslɪk.nəs/
KK: /ˈslɪk.nəs/
The quality of being smooth and shiny, often making something slippery or attractive.
The slickness of the new car's surface made it stand out in the showroom.
Slickness → It is formed from "slick" (of uncertain origin, possibly from Old Norse "slikr", meaning smooth or slippery) and the suffix "-ness" (meaning the state or quality of). The word "slickness" refers to the quality of being smooth or slippery.
Think of something that is 'smooth' or 'slippery' — that's what slickness means, the state of being slick.