Smooth; free from roughness.

Not rough, smooth; (formerly) spec. free from hair or bristles.

Of a surface: smooth, even; free from roughness, wrinkles, etc. Obsolete.

Smooth.

Having a surface free from projections, irregularities, or inequalities; presenting no roughness or unevenness to the touch or sight.

Smooth.

Of a line, curve, or surface: free from roughness or irregularities; smooth, even.

Level or flat as if smoothed with the hand; smooth to the hand. Chiefly in to beat handsmooth. Also figurative.

Wiped, brushed; smoothed; clean-cut, sharp-cut; polished, burnished; neat, trim, spruce.

Of things: Having a smooth face or surface.

Marked by sleek condition.

adj. Perfectly smooth, level, or even with the surface. Now dialect.

Without a knot, free from knots (in various senses of the noun); unknotted. In first quot. quasi-adverbial = like a thread without knots, smoothly…

transferred. Of things. Smooth (see quots.).

Devoid of texture; exhibiting no texture.

Humorously used for: Smooth.

(un-, prefix1 affix 2.)