Jilt
Jilt , noun
[Contr. from Scot. jillet a giddy girl, a jill-flirt, dim. of jill a jill.]
A woman who capriciously deceives her lover; a coquette; a flirt. — Otway
Jilt , transitive verb
To cast off capriciously or unfeelingly, as a lover; to deceive in love. — Locke
Jilt , intransitive verb
To play the jilt; to practice deception in love; to discard lovers capriciously. — Congreve