Sleek
Part of speech: adjective
Definition: Having an even, smooth surface; smooth; hence, glossy; as, sleek hair. Not rough or harsh.
Part of speech: adverb
Definition: With ease and dexterity.
Part of speech: verb
Definition: To make smooth or glossy; to polish or cause to be attractive.
Part of speech: noun
Definition: That which makes smooth; varnish.
Silken
Part of speech: adjective
Definition: Made of silk.Having a smooth, soft, or light texture, like that of silk.