apocryphal

/əˈpɒkɹəfəl/
/əˈpɑːkɹəfəl/

adjective

  1. Of, or pertaining to, the Apocrypha.

  2. (by extension) Of doubtful authenticity, or lacking authority; not regarded as canonical.

    "Many scholars consider the stories of the monk Teilo to be apocryphal."

  3. (by extension) Of dubious veracity; of questionable accuracy or truthfulness; anecdotal or in the nature of an urban legend.

    "There is an apocryphal tale of a little boy plugging the dike with his finger."

Synonyms: allonymous, spurious, anecdotal
Antonyms: canonical