From WordNet (r) 3.0 (2006):
smooth
adj 1: having a surface free from roughness or bumps or ridges
or irregularities; "smooth skin"; "a smooth tabletop";
"smooth fabric"; "a smooth road"; "water as smooth as a
mirror" [ant: rough, unsmooth]
2: smoothly agreeable and courteous with a degree of
sophistication; "he was too politic to quarrel with so
important a personage"; "the manager pacified the customer
with a smooth apology for the error" [syn: politic,
smooth, suave, bland]
3: of the margin of a leaf shape; not broken up into teeth [ant:
rough]
4: smooth and unconstrained in movement; "a long, smooth
stride"; "the fluid motion of a cat"; "the liquid grace of a
ballerina" [syn: fluent, fluid, liquid, smooth]
5: (music) without breaks between notes; smooth and connected;
"a legato passage" [syn: legato, smooth] [ant:
disconnected, staccato]
6: of motion that runs or flows or proceeds without jolts or
turbulence; "a smooth ride" [ant: bumpy, jolting,
jolty, jumpy, rocky, rough]
7: lacking obstructions or difficulties; "the bill's path
through the legislature was smooth and orderly"
8: (of a body of water) free from disturbance by heavy waves; "a
ribbon of sand between the angry sea and the placid bay";
"the quiet waters of a lagoon"; "a lake of tranquil blue
water reflecting a tranquil blue sky"; "a smooth channel
crossing"; "scarcely a ripple on the still water"; "unruffled
water" [syn: placid, quiet, still, tranquil,
smooth, unruffled]
n 1: the act of smoothing; "he gave his hair a quick smooth"
v 1: make smooth or smoother, as if by rubbing; "smooth the
surface of the wood" [syn: smooth, smoothen] [ant:
roughen]
2: make (a surface) shine; "shine the silver, please"; "polish
my shoes" [syn: polish, smooth, smoothen, shine]
3: free from obstructions; "smooth the way towards peace
negotiations" [syn: smooth, smooth out]