Noun

• S: (n) smooth (smooth%1:04:00::) (the act of smoothing) "he gave his hair a quick smooth"

Verb

• S: (v) smooth (smooth%2:35:00::), smoothen (smoothen%2:35:00::) (make smooth or smoother, as if by rubbing) "smooth the surface of the wood"
• S: (v) polish (polish%2:35:00::), smooth (smooth%2:35:01::), smoothen (smoothen%2:35:01::), shine (shine%2:35:00::) (make (a surface) shine) "shine the silver, please"; "polish my shoes"
• S: (v) smooth (smooth%2:40:00::), smooth out (smooth_out%2:40:00::) (free from obstructions) "smooth the way towards peace negotiations"

Adjective

• S: (adj) smooth (smooth%3:00:00::) (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"
• S: (adj) politic (politic%3:00:00:diplomatic:00), smooth (smooth%3:00:00:diplomatic:00), suave (suave%3:00:00:diplomatic:00), bland (bland%3:00:00:diplomatic:00) (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"
• S: (adj) smooth (smooth%3:00:02::) (of the margin of a leaf shape; not broken up into teeth)
• S: (adj) fluent (fluent%3:00:01:graceful:00), fluid (fluid%3:00:00:graceful:00), liquid (liquid%3:00:00:graceful:00), smooth (smooth%3:00:00:graceful:00) (smooth and unconstrained in movement) "a long, smooth stride"; "the fluid motion of a cat"; "the liquid grace of a ballerina"
• S: (adj) legato (legato%3:00:00::), smooth (smooth%3:00:03::) ((music) without breaks between notes; smooth and connected) "a legato passage"
• S: (adj) smooth (smooth%3:00:04::) (of motion that runs or flows or proceeds without jolts or turbulence) "a smooth ride"
• S: (adj) smooth (smooth%3:00:00:easy:01) (lacking obstructions or difficulties) "the bill's path through the legislature was smooth and orderly"
• S: (adj) placid (placid%3:00:00:calm:00), quiet (quiet%3:00:00:calm:00), still (still%3:00:00:calm:00), tranquil (tranquil%3:00:00:calm:00), smooth (smooth%3:00:00:calm:00), unruffled (unruffled%3:00:00:calm:00) ((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"