Synonyms of sleek

1 Syllable
oily, smooth, neat, slick, prims
2 Syllables
spiffier, well-kept, tidier, gleaming, silkier, smarmy, slickest, neater, lardy, oilier, neatest, glassier, splendent, smoothed, stylish, tidy, tidied, silker, silkiest, lustrous, spiffy, vitric, smoother, grooming, glazier, tidying, glossy, smoothest, silken, glossier, oiliest, satin, sleeking, glassy, shiny, groomed, slicker, smoothing, silky, smeary
3 Syllables
slithery, polished, glistening, streamlined, velvety, slippery, recurve, cottony, rutilant, satiny, frictionless, recurved, oil-soaked, sericeous
4 Syllables
butyraceous, mirrorlike, satinlike, oleaginous, saponaceous
5 Syllables
lubricative