This woman has been jilted by her boyfriend.
An example of jilt is for a woman to reject a man as soon as she discovers he has no money.
Origin of jilt; from jillet, diminutive of Jill
transitive verbjilt·ed, jilt·ing, jilts
Origin of jiltPossibly from obsolete jilt, harlot, alteration of gillot, diminutive of gille, woman, girl, from Middle English; see gill4.
(third-person singular simple present jilts, present participle jilting, simple past and past participle jilted)
Contracted from Scots jillet (“a giddy girl, a jill-flirt”).