nonrelative

/ˌnɑnˈrɛlətɪv/
adjective
  1. Not related by blood or marriage; not a family member.
    • They hired a nonrelative caregiver to assist with their elderly neighbor.
    • The hospital allows only one nonrelative visitor per patient per day.
    • Nonrelative foster parents can provide a loving home for children in need.
noun
  1. A person who is not a member of one's family; someone unrelated by blood or marriage.
    • In the will, he left money to several nonrelatives who had helped him.
    • The wedding guest list included both relatives and nonrelatives.
    • She considered her close friend a nonrelative who was like family.
Antonyms
What does "nonrelative" mean? | whatsthatwordmean | whatsthatwordmean