Also means
well-known, undeniable
Usage Note
Notoire is often used for negative notoriety (un criminel notoire) but can also simply mean 'widely acknowledged' without negative connotation: un fait notoire ('a well-known fact'). The adverb notoirement means 'notoriously' or 'manifestly'. It is invariable in form across genders.
Examples
"C'est un fait notoire que le projet a échoué."
Natural Translation
It is a well-known fact that the project failed.

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