Synonyms for Slick (same or very similar meaning)
WordNet sense 1 (a magazine printed on good quality paper):
glossy, slick magazine
WordNet sense 2 (a slippery smoothness):
slickness, slip, slipperiness
WordNet sense 3 (having a smooth, gleaming surface):
satiny, silken, silky, sleek, silklike
WordNet sense 4 (having a surface free from roughness or bumps or ridges or irregularities):
smooth
WordNet sense 5 (causing or tending to cause things to slip or slide):
slippery, slippy
WordNet sense 6 (having only superficial plausibility):
glib, pat
WordNet sense 7 (apparently reasonable and valid, and truthful):
plausible
WordNet sense 8 (marked by skill in deception):
crafty, cunning, guileful, knavish, sly, tricky, wily, dodgy, tricksy
WordNet sense 9 (give a smooth and glossy appearance):
sleek down, slick down
From the ODE community, based on WordNet
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