dissocial

adjective
  1. unwilling or unable to engage in normal social interaction; avoiding social contact
  2. Usage: often used in psychology and psychiatry contexts; sometimes used interchangeably with 'antisocial,' though 'dissocial' emphasizes withdrawal rather than hostility
  3. contrary to the principles or interests of society; harmful to social order
  4. Usage: chiefly British; clinical or formal usage

Examples