from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. unofficial
from the GNU version of the Collaborative International Dictionary of English
- adj. Not official; not having official sanction or authority; unofficial; not according to the forms or ceremony of official business.
from The Century Dictionary and Cyclopedia
- Not official; destitute of official character or authority; unofficial: as, inofficial intelligence.
in- + official (Wiktionary)