#1 slickness n. [trickery, hocus-pocus, hanky panky, jiggery-pokery, skulduggery, skullduggery] verbal misrepresentation intended to take advantage of you in some way. wn
#2 slickness n. [glibness] a kind of fluent easy superficiality; "the glibness of a high-pressure salesman". wn
#3 slickness n. [slick, slipperiness, slip] a slippery smoothness; "he could feel the slickness of the tiller". wn
vizzz