primitive

adjective
  1. relating to an early stage of development; basic or simple in form
  2. relating to a society or culture that has not developed complex technology or social organization
  3. Usage: anthropological
  4. lacking comfort, convenience, or sophistication
noun
  1. a person belonging to a preliterate, nonindustrial society
  2. Usage: anthropological
  3. an artist whose work is characterized by a deliberately simple or naive style
  4. Usage: art

Examples