See slick in Webster's New World Roget's A-Z Thesaurus II
adjective
So smooth and glassy as to offer insecure hold or footing:
lubricious, slippery, slithery. Idiom: slippery as an eel. See smoothExhibiting or possessing skill and ease in performance:
adroit, clever, deft, dexterous, facile, handy, nimble. See abilityHaving or showing a clever awareness and resourcefulness in practical matters:
astute, cagey, canny, knowing, perspicacious, shrewd, smart, wise1. (Informal) savvy. See ability, carefulCharacterized by ready but often insincere or superficial discourse:
facile, glib, smooth-tongued. See surface, words
phrasal verb slick upTo make neat and trim; make presentable:
clean (up), freshen (up), groom, neaten (up), spruce (up), tidy (up), trig (out), trim. See order
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