* Fiancé is used for a male who is engaged.
* Fiancée is used for a female who is engaged.
You can also use the verb fiancé(e) to describe the act of being engaged, which literally means "to be betrothed."
For example:
* Ils sont fiancés. (They are engaged.)
* Elle est fiancée à un homme d'affaires. (She is engaged to a businessman.)
* Il est fiancé à une médecin. (He is engaged to a doctor.)