Roget's Thesaurus: Entry 255 (Smoothness)

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#255. Smoothness. -- N. smoothness &c. adj.; polish, gloss; lubricity, lubrication.

[smooth materials] down, velvet, velure, silk, satin; velveteen, velour, velours, velumen[obs]; glass, ice.

slide; bowling green &c. (level) 213; asphalt, wood pavement, flagstone, flags.

[objects used to smooth other objects] roller, steam roller, lawn roller, rolling pin, rolling mill; sand paper, emery paper, emery cloth, sander; flat iron, sad iron; burnisher, turpentine and beeswax; polish, shoe polish.

[art of cutting and polishing gemstones] lapidary.

[person who polishes gemstones] lapidary, lapidarian.

V. smooth, smoothen[obs]; plane; file; mow, shave; level, roll; macadamize; polish, burnish, calender[obs], glaze; iron, hot-press, mangle; lubricate &c. (oil) 332.

Adj. smooth; polished &c. v.; leiodermatous[obs], slick, velutinous[obs]; even; level &c. 213; plane &c. (flat) 251; sleek, glossy; silken, silky; lanate[obs], downy, velvety; glabrous, slippery , glassy, lubricous, oily, soft, unwrinkled[obs]; smooth as glass, smooth as ice, smooth as monumental alabaster, smooth as velvet, smooth as oil; slippery as an eel; woolly &c. (feathery) 256.

Phr. smooth as silk; slippery as coonshit on a pump handle; slippery as a greased pig.