unofficial

• Décrit ce qui n'a pas d'autorisation ou de reconnaissance officielle de la part d'une autorité ou d'un organisme, ou ce qui n'est pas confirmé ou officiellement établi.

Describes something that is not formally authorized or recognized by an official body or authority.

1. Not formally authorizedB1formal

   Lacking official approval, recognition, or sanction from an authority.

   non officiel

   • The meeting was unofficial, so no minutes were taken.
   • He acted as an unofficial representative of the group.
   • The report is based on unofficial sources.

   Synonymesinformalunauthorizedunratifiedunsanctioned

   Antonymesapprovedauthorizedformalofficialsanctioned

2. Not formally establishedB1formal

   Not created or recognized through official procedures or laws.

   Non officiel, non formel

   • The club started as an unofficial gathering of friends.
   • There is an unofficial rule about not using phones during dinner.
   • The path is an unofficial shortcut through the woods.

   Synonymesinformaloff the recordprivateunauthorizedunconfirmedunratifiedunsanctioned

   Antonymesauthorizedformalofficialsanctioned