unassignable

/ˌʌnəˈsaɪnəbəl/
adjective
  1. Not able to be given, allocated, or designated to a particular person, group, or purpose.
    • The cause of the error was unassignable to any single team member.
    • The license is unassignable, meaning you cannot transfer it to another person.
    • Some tasks in the project were unassignable because they required skills no one had.
What does "unassignable" mean? | whatsthatwordmean | whatsthatwordmean