smooth 1

having or caused by an irregular surface

a texture without roughness; smooth to the touch

being level or straight or regular and without variation as e.g. in shape or texture; or being in the same plane or at the same height as something else (i.e. even with)

(of linens or clothes) smoothed with a hot iron

of textures that are smooth to the touch or substances consisting of relatively small particles

causing or tending to cause things to slip or slide

used especially of fabrics

having an even texture

(of surfaces) conducive to rapid speeds

having a smooth, fine-grained structure

resembling glass in smoothness and shininess and slickness