Definition of Sleek

Adjective: sleek (sleeker,sleekest) sleek

Well-groomed and neatly tailored; especially too well-groomed
"sleek figures in expensive clothes"
Designed or arranged to offer the least resistance to fluid flow
"a sleek convertible";
- streamlined, aerodynamic, flowing
Having a smooth, gleaming surface reflecting light
"sleek black fur";
- satiny, silken, silky, silklike, slick

Verb: sleek sleek