Most smooth and lustrous

Wiktionary Word definitions in Wiktionary
a. (en-superlativesilky)

WordNet Word definitions in WordNet
adj. having a smooth, gleaming surface; "glossy auburn hair"; "satiny gardenia petals"; "sleek black fur"; "silken eyelashes"; "silky skin"; "a silklike fabric"; "slick seals and otters" [syn: glossy , satiny , sleek , silken , silklike , slick ] [also: ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Silky \Silk"y\, a. [Compar. Silkier ; superl. Silkiest .] Of or pertaining to silk; made of, or resembling, silk; silken; silklike; as, a silky luster. Hence, soft and smooth; as, silky wine. Covered with soft hairs pressed close to the surface, as a leaf; ...