[smooth] adj [ME smothe, fr. OE smoth; akin to OS smothi smooth] (bef. 12c) 1 a (1): having a continuous even surface (2) of a curve: being the representation of a function with a continuous first derivative (3): having or being a short even coat of hair "a ~ collie"--compare rough, wirehaired b: being without hair c: glabrous "a ~ leaf" d: causing no resistance to sliding
2: free from difficulties or impediments "the ~ course of his life"
3: even and uninterrupted in flow or flight
4: excessively and often artfully suave: ingratiating "a ~ operator"
5. a: serene, equable "a ~ disposition" b: amiable, courteous
6. a: not sharp or harsh "a ~ sherry" b: free from lumps syn see level, easy, suave -- smooth adv -- smooth.ly adv -- smooth.ness n
[2]smooth vb smoothed ; smooth.ing ; smooths also smoothes vt (15c) 1: to make smooth
2. a: to free from what is harsh or disagreeable: polish "~ed out his style" b: soothe
3: to minimize (as a fault) esp. in order to allay anger or ill will "his main job is to ~ over the friction that so often arises --Brian Crozier"
4: to free from obstruction or difficulty
5. a: to press flat b: to remove expression from (one's face): compose
6: to cause to lie evenly and in order: preen 7: to free (as a graph or data) from irregularities ~ vi: to become smooth -- smooth.er n [3]smooth n (15c) 1: a smooth part
2: the act of smoothing
3: a smoothing implement