Adjective sleek has 2 senses
  1. glossy, satiny, sleek, silken, silky, silklike, slick - 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"
    Antonyms: rough, unsmooth (indirect, via smooth)
  2. sleek - well-groomed and neatly tailored; especially too well-groomed; "sleek figures in expensive clothes"
    Antonym:
    ungroomed (indirect, via groomed)
,Verb sleek has 1 sense
  1. slick, sleek - make slick or smooth
    --1 is one way to polish, smooth, smoothen, shine
    Sample sentence:
    Somebody ----s something
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