Noun
The quality or state of being sleek; smoothness and glossiness of surface.
Source: Webster's dictionarythe sleekness of his appearance reminded me of his financial successes Source: Internet
The music alone -- the potent mixture of garage-rock sneering and Krautrock sleekness -- is enough to support the feeling that the next few years of the Fall could be great ones (the most recent EP and live album also aids in this feeling). Source: Internet
The sleekness of the simple, solid color handle (that comes in four different colors). Source: Internet