lubricious
[adjective]
Synonyms: inconstant, capricious, changeable, fickle, temperamental, ticklish, uncertain, unstable, variable, volatile, slick, greasy, sliddery, slipper, slippery, slippy, slithery

[TahlilGaran] English Synonym Dictionary ▲

lu‧bri‧cious /luːˈbrɪʃəs/ adjective formal
[Date: 1500-1600; Language: Latin; Origin: lubricus; ⇒ lubricate]
too interested in sex, in a way that seems unpleasant or unacceptable
—lubriciously adverb

[TahlilGaran] Dictionary of Contemporary English ▲