unlawful

adjective

1. 1

   contrary to or prohibited by or defiant of law

   unlawful measures

   unlawful money

2. 2

   contrary to or forbidden by law

   an illegitimate seizure of power

   illicit trade

3. 3

   having no legally established claim

   the wrongful heir to the throne

4. 4

   not morally right or permissible

   unlawful love

5. 5

   not conforming to legality, moral law, or social convention

   an unconventional marriage

   improper banking practices