| smoothness | (n) a texture without roughness; smooth to the touch, Ant. roughness, Example: admiring the slim smoothness of her thighs; some artists prefer the smoothness of a board |
| smoothness | (n) the quality of having a level and even surface, Example: the water was a glassy smoothness; the weather system of the Pacific is determined by the uninterrupted smoothness of the ocean |
| smoothness | (n) the quality of being free from errors or interruptions, Example: the five-speed manual gearbox is smoothness personified |