• (n.) A woman of doubtful reputation or suspected character; an adventuress.
Dem'i·rep` noun [ Contr. from demi- reputation .] A woman of doubtful reputation or suspected character; an adventuress. [ Colloq.] De Quincey. 
demirep 1. A person of doubtful reputation or respectability. 2. A woman of doubtful reputation or suspected character; an adventuress.
a demimondaine.