unofficial (Meaning)

Wordnet

unofficial (a)

not having official authority or sanction

Wordnet

not officially established

The couple held an unofficial wedding ceremony in their backyard.
The unofficial tally of votes showed a narrow victory for the incumbent.
The unofficial sales figures indicate a sharp increase in demand.
The company issued an unofficial statement denying any wrongdoing.
The basketball team had an unofficial practice game before their upcoming match.
The unofficial biographer of the celebrity released a controversial account of their life.
The party leaders held an unofficial meeting to discuss election strategy.
The unofficial release of the new album caused a stir among fans.
The hospital published an unofficial report on the effectiveness of the new treatment.
The unofficial transcript of the meeting contained damning evidence against the suspect.

not having official authority or sanction, not officially established

unauthorized, informal, irregular, unceremonious, heterodox,unorthodox, unconventional, free and easy,casual, familiar

ceremonial,regular, regular, conventional, orthodox, formal, routine, conventional, ceremonial, proper

The couple held an unofficial wedding ceremony in their backyard.

The unofficial tally of votes showed a narrow victory for the incumbent.

The unofficial sales figures indicate a sharp increase in demand.

The company issued an unofficial statement denying any wrongdoing.