Definition of smooth:
the act of smoothing; "he gave his hair a quick smooth"
make smooth or smoother, as if by rubbing; "smooth the surface of the wood"
make (a surface) shine; "shine the silver, please"; "polish my shoes"
free from obstructions; "smooth the way towards peace negotiations"
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"
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"
of the margin of a leaf shape; not broken up into teeth
smooth and unconstrained in movement; "a long, smooth stride"; "the fluid motion of a cat"; "the liquid grace of a ballerina"
(music) without breaks between notes; smooth and connected; "a legato passage"
of motion that runs or flows or proceeds without jolts or turbulence; "a smooth ride"
lacking obstructions or difficulties; "the bill's path through the legislature was smooth and orderly"
(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"