(belonging to oneself and no one else): I want a place of my own.
personal (relating or belonging to a particular person): She collected up her personal belongings and left the room eventually.
private (only for one person or group, not public): John has a private plane indeed.
individual (belonging to or intended for one person): This bathroom also designed to suit your individual needs.
subjective (based on your own feelings and ideas): I think my judgment is rather subjective on this matter.
exclusive (available to only one person or group of people, not shared): This bathroom in fact is for the exclusive use of guests.