smooth
1. Lacking obstructions or difficulties
2. Having a surface free from roughness or bumps or ridges or irregularities
3. (Botany) Of the margin of a leaf shape; not broken up into teeth.
aerodynamic · bland · calm · ceraceous · compound · creaseless · diplomatic · diplomatical · easy · entire · even · even-textured · fast · fine · fine-textured · flowing · fluent · fluid · glassy · glossy · graceful · ironed · legato · liquid · placid · politic · quiet · repand · satiny · seamless · silken · silklike · silky · simple · sinuate · sleek · slick · slippery · slippy · smooth-textured · still · streamlined · suave · tranquil · uncreased · undulate · unlined · unnotched · unruffled · unseamed · unsubdivided · untoothed · velvet · velvet-textured · velvety · wax-coated · waxlike · waxy
smolt · smooch · smooched · smooching · smooth · smooth alder · smooth aster