1. superlative form of smooth: having the most even surface without bumps or roughness
2. superlative form of smooth: most graceful or effortless in movement or operation
3. superlative form of smooth: most pleasant to taste, without harshness or bitterness

Examples

• This marble countertop has the smoothest surface I’ve ever felt.
• The luxury car had the smoothest ride of all the vehicles we tested.
• She executed the smoothest dance moves in the competition.
• This whiskey is the smoothest I’ve ever tasted.
• He’s the smoothest talker in the sales department.
• The lake was at its smoothest just before dawn.
• The smoothest chocolate melts perfectly on your tongue.