SLEEK, adjective [See Like] 1. Smooth; having an even smooth surface; whence, glossy; as sleek hair. So sleek her skin, so faultless was her make. 2. Not rough or harsh, Those rugged names to our like mouths grow sleek SLEEK, noun That which make smooth; varnish. [Little used.] SLEEK, verb transitive 1. To make even and smooth; as, to sleek the hair. 2. To render smooth, soft and glossy. Gentle, my lord, sleek o'er your rugged looks. SLEEK, adverb With ease and dexterity; with exactness. [Vulgar.]
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI