1. the quality or state of having an even surface without bumps, ridges, or rough areas
2. the quality of moving or operating without jerky motions or interruptions
3. the quality of being pleasant to taste without harshness or bitterness
Usage: often used for beverages or food

Examples

• The smoothness of the marble countertop made it easy to clean.
• I was impressed by the smoothness of the car’s acceleration.
• The wine’s smoothness made it very enjoyable to drink.
• His smoothness in handling difficult customers impressed his manager.
• The dancer’s movements had a natural smoothness that captivated the audience.
• The smoothness of the silk fabric felt luxurious against her skin.
• The pilot’s smoothness during landing calmed the nervous passengers.