Unlawful; not in accordance with law; forbidden; illicit, improper.

Contrary to or prohibited by law; not conforming to, permitted by, or recognized by law; illegal; unjust, wrongful.

That is contrary to law, statute, or established rule; unlawful, illegal, tortious.

Unlawful, illegal; prohibited; improper. Cf. unleeful, adj.

Unlawful, not permissible.

Marked or characterized by illegality; not legally valid.

Not legitimate, illegitimate.

Not authorized or allowed; improper, irregular; esp. not sanctioned by law, rule, or custom; unlawful, forbidden.

Not legal or lawful; contrary to, or forbidden by, law.

Not allowed, unlawful. Subsequently: (Winchester College slang) prohibited; spec. not characteristic of or appropriate for a member of Winchester…

Established on illegal grounds; illegitimate, unlicensed. Now chiefly historical.

Not legal or lawful; contrary to or not in accordance with law; illegal.

Not legitimate, not in accordance with or authorized by law; unauthorized, unwarranted; spurious; irregular, improper.

= illegitimate, adj.

Scots Law. Contrary to law; unlawful, illegal.

figurative. Forbidden, illegitimate, unauthorized.

= illicit, adj.

slang. Illicit, illegal; esp. Australian in sly grog (seller, etc.).

That does not follow ordinary or official procedure; irregular, illegal.

figurative (cf. crooked, adj. 3). In various slang uses. Illegal; stolen. Originally U.S.

Gambling. Crooked, illegal, dishonest.

Unlawful, fraudulent, illicit.