nonauthorized
Nonauthorized is an infrequently used adjective formed by joining non- with authorized to indicate a lack of permission. It is not recognized as standard English in major dictionaries, and many style guides prefer alternatives such as unauthorized or non-authorized.
Because it is nonstandard, nonaauthorized can appear in informal writing, creative uses, or as a typographical
In technical contexts, especially in information security or access-control documentation, nonauthorized action or nonauthorized access may
Etymology: from English non- (negation) plus authorized (having permission). Variants include non-authorized (hyphenated) and unauthorized (closed