unofficial
adjectiveUK /ˌʌnəˈfɪʃəl/
US /ˌʌnəˈfɪʃəl/
Not said or approved by the people in charge.
The news is still unofficial, so we should wait before telling everyone.
OTHER MEANINGS
2. Not having official status or recognition.
He is the unofficial leader of the group.
3. Done or given without official authority.
She made an unofficial visit to the school.
4. Not part of an official record or set of rules.
They kept an unofficial score during the practice game.