As adjectives the difference between lascivious and flirtatious
is that lascivious
is wanton; lewd, driven by lust, lustful while flirtatious
is of or pertaining to flirtation.
Wanton; lewd, driven by lust, lustful.
*:The colonel and his sponsor made a queer contrast: Greystone [the sponsor] long and stringy, with a face that seemed as if a cold wind was eternally playing on it. […] But there was not a more lascivious reprobate and gourmand in all London than this same Greystone.
* wanton, lewd, lustful
Of or pertaining to flirtation.
(of a person) Having a tendency to flirt often.
* cheeky, coquettish
* prudish, reserved