unofficial

adjective4

1. •
   Not officially established.

   • the unofficial results of the ballot
2. •
   Implicitly true but withheld and/or contradicted by authority.

   • The unofficial reason for invading the nation, however, was to control their resources.
3. •
   Not acting with official authority.

   • Drivers' union ASLEF bluntly rebuffed the claim of unofficial action, calling it a lie. And Avanti West Coast was unable to provide any proof for its assertion, when questioned by RAIL. — 2022
4. •
   Not listed in a national pharmacopeia etc.