impermissible

Definitions

Not allowed or permitted; forbidden.

Contrary to established rules, laws, or moral standards.

Examples

The use of unauthorized electronic devices during the final examination is strictly impermissible.

It is considered impermissible to disclose confidential company information to external competitors.

Synonyms

forbidden prohibited unauthorized banned illicit taboo out of bounds

Antonyms

permissible allowed permitted authorized legal lawful acceptable