(formal) Female third-person singular pronoun; she, her, girlfriend

(colloquial) a girlfriend (a female partner in a romantic relationship)

(historical) an arranged engagement, wherein both sets of parents promise that their children shall wed; generally arranged while the children are still young / (rare) a fiancée (female) or fiancé (male)

(historical) to arrange an engagement, whereby both sets of parents promise that their children shall wed; generally arranged while the children are still young

(rare) an engagement (to get married) / (rare) a fiancée (female) or fiancé (male)

(rare) to get engaged (to get married)

(literary) they (about women or girls)

(chiefly women's speech) first person singular pronoun: I, me

(polite) first-person singular pronoun: I, me

a personal or private matter / (by extension) selfishness