Definitions
1.AdjectiveHaving an even, smooth surface; smooth"sleek hair"
2.AdjectiveGlossy.
3.AdjectiveNot rough or harsh.
4.AdjectiveSlim and streamlined; not plump, thick, or stocky.
5.AdjectiveHealthy, well-fed and well-groomed; in good condition.
6.AdjectiveDated form of slick (“convincing but untrustworthy”).
7.AdverbWith ease and dexterity.
8.VerbTo make smooth or glossy; to polish.
9.VerbTo calm or soothe.
10.VerbTo glide.
11.NounThat which makes smooth; varnish.