Adjective
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"2. smoothly agreeable and courteous with a degree of sophistication;
"he was too politic to quarrel with so important a personage""the hostess averted a confrontation between two guests with a diplomatic change of subject""the manager pacified the customer with a smooth apology for the error""affable, suave, moderate men...smugly convinced of their respectability" - Ezra Pound3. of the margin of a leaf shape; not broken up into teeth
4. not marked with wrinkles;
"unwrinkled cheeks"5. smooth and unconstrained in movement;
"a long, smooth stride""the fluid motion of a cat""the liquid grace of a ballerina""liquid prose"6. without breaks between notes; smooth and connected;
"a legato passage"7. without chinks or crannies
8. lacking obstructions or difficulties;
"the bill's path through the legislature was smooth and orderly"