lascivious [ləˈsɪvɪəs] ADJECTIVE feeling or revealing an overt sexual interest or desire. "he gave her a lascivious wink" synonyms: lecherous · lewd · lustful · licentious · libidinous · goatish · salacious · wanton · lubricious · prurient · dirty · smutty · filthy · naughty · suggestive · indecent · ribald · debauched · depraved · degenerate · dissolute · dissipated · unchaste · loose · horny · blue · randy · concupiscent · lickerish antonyms: puritanical · ascetic ORIGIN late Middle English: from late Latin lasciviosus, from Latin lascivia ‘lustfulness’, from lascivus ‘lustful, wanton’.