Unofficial

Adjective

 * 1) not officially established
 * the unofficial results of the ballot
 * 1) not acting with official authority
 * an unofficial adviser
 * 1) (of a drug) not listed in a national pharmacopeia etc

Antonyms

 * official

Thesaurus
Bohemian, actionable, affable, against the law, anarchic, anarchistic, anomic, apocryphal, black-market, bootleg, casual, chargeable, contraband, contrary to law, cordial, criminal, degage, easy, easygoing, familiar, felonious, flawed, folksy, free and easy, gracious, haymish, homely, homey, illegal, illegitimate, illicit, impermissible, informal, irregular, justiciable, lawless, loose, natural, nonconstitutional, nonlegal, nonlicit, nonofficial, offhand, offhanded, outlaw, outlawed, plain, punishable, relaxed, simple, sociable, triable, unaffected, unallowed, unassuming, unattested, unauthentic, unauthenticated, unauthoritative, unauthorized, unceremonious, uncertified, unchecked, unconfirmed, unconstitutional, unconstrained, unconventional, uncorroborated, undemonstrated, under-the-counter, under-the-table, unlawful, unproved, unstatutory, unstudied, unvalidated, unverified, unwarrantable, unwarranted, wrongful

Etymology
From

Translations

 * Chinese: 非官方的
 * Danish: uofficiel
 * Dutch:
 * Esperanto:
 * Finnish:
 * French:


 * German:
 * Italian:
 * Polish:
 * Romanian: neoficial
 * Spanish: