late 15c., "smooth, slippery," also "lascivious, lewd," from Middle French lubrique (15c.) or directly from Latin lubricus "slippery," figuratively "seductive," from PIE root *sleubh- "to slip, slide." Related: Lubrical.
luau
lubber
lubberly
lube
Lubish
lubric
lubricant
lubricate
lubrication
lubricity
lubricous
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