unofficial

1 ENTRIES FOUND:
unofficial /ˌʌnəˈfɪʃəl/ adjective
unofficial
/ˌʌnəˈfɪʃəl/
adjective
Britannica Dictionary definition of UNOFFICIAL
: not official: such as
a  : not formally chosen by an official decision or vote
b  : not done or made in a formal way by someone in a position of authority
c  : not having the authority to make a statement, decision, etc.
d  : not done in a public and formal way as part of someone's job

— unofficially

adverb