frictionless (adjective) smooth: level, unwrinkled; flowing
Sinonime: beau monde, beautiful people, café society, country-club set, cream of society, crème de la crème,
elite, fashionable society, gentlefolk, glitterati, haut monde, high life, high society, in-crowd, leisured class, moneyed class, polite society, privileged class, salon, smart set, the privileged, the well-to-do, upper class, upper crust, wealthy people
Antonime: broken,
coarse,
intermittent,
irregular,
rough,
uneven, wrinkled