Word Origin & History
slick (v.)
O.E. -slician (attested in nigslicod "newly made sleek"), from P.Gmc. *slikojanan, from base *slikaz (cf. O.N. slikr "smooth," O.H.G. slihhan, Ger. schleichen "to creep, crawl, sneak," Du. slijk "mud, mire"), from PIE *sleig- "to smooth, glide, be muddy," from base *(s)lei- "slimy" (cf. O.E. lim "birdlime;" L. limus "slime," linere "to anoint;" Skt. linati "sticks, stays"). The adj. is first attested c.1300, "smooth, glossy, sleek" (of skin or hair); sense of "clever in deception" is first recorded 1599.