Synonyms:
slickness, slick, slipperiness, slip
Meaning: a slippery smoothness; "he could feel the slickness of the tiller"
Usage examples
Shot off as slick as a whistle.
Lincoln displaced "Sam Slick," and opened the way to Artemus Ward and Mark Twain.
"He must know, if he's as slick at tryin' folks as he is in a hoss dicker," returned an old farmer who had made a trade of steeds which had proved unprofitable for him.