las ‧ civ ‧ i ‧ ous /ləˈsɪviəs/ BrE AmE adjective
[ Date: 1400-1500 ; Language: Late Latin ; Origin: lasciviosus , from Latin lascivus ]
showing strong sexual desire, or making someone feel this way:
a lascivious wink
—lasciviously adverb
—lasciviousness noun [uncountable]