1. having an even surface without bumps, ridges, or rough areas
2. happening without problems or difficulties
3. pleasant to taste, not harsh or bitter

1. to make something flat and even by removing roughness
2. to make something easier or remove difficulties

1. in a smooth manner

Examples

• The baby’s skin was perfectly smooth.
• The flight was smooth with no turbulence.
• This wine has a smooth, rich flavor.
• He gave a smooth sales pitch to the customers.
• She smoothed the wrinkles from her dress.
• The new software should smooth the registration process.
• The car runs smooth after the tune-up.