Definition of "extra-official" []

• Not prescribed by official duty. (adjective)

Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)

• "As always, it behooves the end user to exercise caution and download extra-official viewers directly from the creators and not from mirror sites."
• "Rove's notoriously missing "extra-official" e-mails flowed through those same servers."
• "It is somewhat extra-official but it is very confidential, and I have a special reason for wishing it to go through your hands."