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Classic usage
Reading level: hard
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From Middle English slicke, slike, slyke, from Old English slīc (“sleek, smooth; crafty, cunning, slick”), from Proto-Germanic *slīkaz (“sleek, smooth”), from Proto-Indo-European *sleyg-, *sleyǵ- (“to glide, smooth, spread”). Akin to Dutch sluik, dialectal Dutch sleek (“even, smooth”), Old Norse slíkr (“sleek, smooth”), Old English slician (“to make sleek, smooth, or glossy”).
slickness, slipperiness, slip
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Classic usage
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