undocumented

• Описывает что-то, что не имеет официальных записей или документации; часто используется в юридическом или техническом контексте.

Describes something that lacks official records or documentation; often used in legal or technical contexts.

1. Not recorded or registeredB2formal

   Not having official documents or records; lacking formal documentation.

   Незадокументированный

   • The company had many undocumented expenses in its accounts.
   • Undocumented immigrants often face legal challenges.
   • The software contains undocumented features that users discovered.

   Synonymsunlistedunofficialunrecordedunregisteredunreported

   Antonymsdocumentedlistedrecordedregistered

2. Not supported by written evidenceB2formal

   Lacking written proof or official records to verify something.

   Незадокументированный

   • The historian found undocumented claims in the old manuscript.
   • Many undocumented traditions were passed down orally.
   • The undocumented changes to the contract caused confusion.

   Synonymsunrecordedunregisteredunsubstantiatedunsupportedunverifiedunwritten

   Antonymscertifieddocumentedrecordedregistered