nonaffiliated

/ˌnɑnəˈfɪliˌeɪtɪd/
adjective
  1. Not officially connected to or a member of a particular group, organization, or political party.
    • The study surveyed both affiliated and nonaffiliated members of the union.
    • She registered as a nonaffiliated voter because she didn't want to choose a party.
    • The conference welcomed nonaffiliated participants who were not members of any professional society.
Antonyms