lubricious /luˈbɹɪʃəs/ adjective2 •Smooth and glassy; slippery. •(figurative) Lewd, lascivious, obscene, wanton, salacious or lecherous.Lubricious bank managers and building society chairmen who have never danced before throw off their jackets, confess to barren lives and worship Rick the giver of their sun and rain. — 1986 formsmore lubricious · most lubricious