un approved (adjective) unauthorized: not sanctioned, permitted
Sinonime: crooked*,
dirty*,
illegal,
illegitimate, no-no, off base, out of bounds, out of line, over the line, pirated,
shady*, unapproved, unconstitutional, under the table, unjustified, unlawful, unofficial, unsanctioned,
unwarranted, wildcat, wrongful
Antonime: allowable, authorized,
official,
permitted