行為放蕩的女人
Demimonde \Dem`i*monde"\, n. [F.; demi + monde world, L. mundus.] Persons of doubtful reputation; esp., women who are kept as mistresses, though not public prostitutes; demireps. {Literary demimonde}, writers of the lowest kind.
demimonde n : a class of woman not considered respectable because of indiscreet or promiscuous behavior