smooth

smooth [adj1] level, unwrinkled; flowing bland, continuous, creamy, easy, effortless, equable, even, flat, fluent, fluid, flush, frictionless, gentle, glassy, glossy, hairless, horizontal, invariable, lustrous, mild, mirrorlike, monotonous, peaceful, plain, planate, plane, polished, quiet, regular, rhythmic, rippleless, serene, shaven, shiny, silky, sleek, soft, soothing, stable, steady, still, tranquil, unbroken, undeviating, undisturbed, uneventful, uniform, uninterrupted, unruffled, untroubled, unvarying, velvety; concepts 406,480,606 —Ant. broken, coarse, intermittent, irregular, rough, uneven, wrinkled smooth [adj2] suave in behavior agreeable, bland, civilized, courteous, courtly, facile, genial, glib, ingratiating, mellow, mild, persuasive, pleasant, polite, slick, smarmy*, unctuous, urbane; concept 401 —Ant. coarse, rough, uncool smooth [v1] make level burnish, clear, even, flatten, flush, glaze, gloss, grade, iron, lay, level, make uniform, perfect, plane, polish, press, refine, round, sand, sleek, slick, varnish; concepts 137,250 —Ant. coarsen, roughen, wrinkle smooth [v2] make peace allay, alleviate, appease, assuage, calm, comfort, cool*, ease, extenuate, facilitate, iron out, mellow, mitigate, mollify, palliate, pat, pave the way*, soften, stroke, take the edge off*, take the sting out*; concepts 7,22 —Ant. aggravate, agitate, incite, irritate, upset