unofficial

Not officially established.

the unofficial results of the ballot

And even though their numbers have been halved—that’s the unofficial tally given in one of the strategy sessions—everyone from Sansa to Daenerys to Varys is wondering who is going to rule over which pile of smoking ruins.

Not officially established.

The unofficial reason for invading the nation, however, was to control their resources.

Not acting with official authority.

an unofficial adviser

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.

Not listed in a national pharmacopeia etc.