sleek sleek /ˈsliːk/

adjective

1. Having a smooth, gleaming surface reflecting light  ( satiny , silken , silklike , silky , sleek , slick )
   having a smooth, gleaming surface reflecting light
    Glossy auburn hair
   glossy auburn hair
    Satiny gardenia petals
   satiny gardenia petals
    Sleek black fur
   sleek black fur
    Silken eyelashes
   silken eyelashes
    Silky skin
   silky skin
    A silklike fabric
   a silklike fabric
    Slick seals and otters
   slick seals and otters
   
2. Designed or arranged to offer the least resistant to fluid flow  ( aerodynamic , flowing , sleek , streamlined )
   designed or arranged to offer the least resistant to fluid flow
    A streamlined convertible
   a streamlined convertible
   
3. Well-groomed and neatly tailored; especially too well-groomed  ( sleek )
   well-groomed and neatly tailored; especially too well-groomed
    Sleek figures in expensive clothes
   sleek figures in expensive clothes
   

verb

1. Make slick or smooth  ( sleek , slick )
   make slick or smooth