smooth

smooth is an Adverb

Definition:

[1] Having an even surface, or a surface so even that no roughness or points can be perceived by the touch; not rough; as, smooth glass; smooth porcelain. Chaucer. The outlines must be smooth, imperceptible to the touch, and even, without eminence or cavities. Dryden.

[2] Evenly spread or arranged; sleek; as, smooth hair.

[3] Gently flowing; moving equably; not ruffled or obstructed; as, a smooth stream.

[4] Flowing or uttered without check, obstruction, or hesitation; not harsh; voluble; even; fluent. The only smooth poet of those times. Milton. Waller was smooth; but Dryden taught to join The varying verse, the full-resounding line. Pope. When sage Minerva rose, From her sweet lips smooth elocution flows. Gay.

[5] Bland; mild; smoothing; fattering. This smooth discourse and mild behavior oft Conceal a traitor. Addison.

[6] Causing no resistance to a body sliding along its surface; frictionless.