unauthorized


unauthorized
adjective

you can't hold an unauthorized meeting in a town building

Syn:
unofficial, unsanctioned, unaccredited, unlicensed, unwarranted, unapproved, bootleg, pirated; wildcat; disallowed, prohibited, out of bounds, banned, barred, forbidden, outlawed, illegal, illegitimate, illicit, proscribed
Ant:
official

Thesaurus of popular words. 2014.

Synonyms: