0 (of a surface or material) the quality of being perfectly regular with no holes, lumps, or areas that rise or fall suddenly:
1 the quality of happening without any sudden changes, interruption, or difficulty:
The merger has happened with surprising smoothness.
2 the quality of making no sudden or uncontrolled movements or changes of direction:
3 the quality of having a pleasant flavour that is not sour or bitter:
4 politeness, confidence, and an ability to persuade people, but in a way that is not sincere:
She was irritated by his smoothness.
5 the fact of happening or being done without any sudden changes, interruption, or difficulty:
6 the quality of being perfectly regular, with no holes or lumps or areas that rise or fall suddenly:
I found myself admiring the smoothness of the Tarmac during visits to London.
The sheer smoothness of her body, the way the light reflected off her skin, the ripples in her robe, were just captivating.
Ground almonds are used in cooking, especially in sauces, giving them body and creamy smoothness.
Still, the smoothness with which Sunday's election was conducted offers a ray of hope that democracy here will thrive.
Once they had made up their minds, the smoothness of the arrangements was remarkable.
The smoothness of takeoff is important in a commercial flight.