An aloof person is someone who is distant, detached, and unapproachable. There are several synonyms that can be used to describe such a person. A reserved person is someone who is restrained and introverted. A detached person is someone who is emotionally distant and uninvolved. An indifferent person is someone who is unconcerned and apathetic. A cold person is someone who is unfeeling and unfriendly. A distant person is someone who is physically or emotionally separated from others. A standoffish person is someone who is unfriendly and unapproachable. These words can be used interchangeably to describe someone who is uncommunicative and disconnected from others.