/ sliːk; NAmE / adjective , verb
■ adjective ( sleek·er , sleek·est )
1.
( approving ) smooth and shiny
SYN glossy :
sleek black hair
the sleek dark head of a seal
2.
( approving ) having an elegant smooth shape :
a sleek yacht
the sleek lines of the new car
3.
(often disapproving ) ( of a person ) looking rich, and dressed in elegant and expensive clothes :
a sleek and ambitious politician
► sleek·ly adverb
► sleek·ness noun [ U ]
■ verb
~ sth (back / down) to make sth, especially hair, smooth and shiny :
His glossy hair was sleeked back over his ears.
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WORD ORIGIN
late Middle English : a later variant of slick (adjective and verb).