Smooth and lustrous as if polished; glossy: brushed her hair until it was sleek.
Well-groomed and neatly tailored.
Healthy or well-fed; thriving.
Polished or smooth in manner, especially in an unctuous way; slick.
tr.v.
sleeked, sleek·ing, sleeks
To make sleek; slick: sleeked his hair with pomade.
To gloss over; conceal.
[Variant of slick.] sleek'ly adv., sleek'ness n.
Synonyms: These adjectives mean having a smooth gleaming surface: sleek black fur; glossy auburn hair; satiny gardenia petals; silken butterfly wings; silky skin; slick otters.