unofficial
//ʌnəˈfɪʃəl//
Adjective
unofficialCanonical form
1
Not officially authorized or confirmed; not having formal approval or recognition.
The unofficial results suggest that she won the election.
2
Not holding an official position or status.
He is an unofficial advisor to the team.
3
Informal or casual in nature; not following established protocols.
We had an unofficial meeting over coffee to discuss the project.