unlawful in WordNet English dictionary

1. contrary to or forbidden by law
   "an illegitimate seizure of power"; "illicit trade"; "an outlaw strike"; "unlawful measures"
   illegitimate  illicit  outlaw  outlawed  unlawful 
   
2. not conforming to legality, moral law, or social convention
   "an unconventional marriage"; "improper banking practices"
   improper  unconventional  unlawful 
   
3. contrary to or prohibited by or defiant of law
   "unlawful measures"; "unlawful money"; "unlawful hunters"
   unlawful 
   
4. having no legally established claim
   "the wrongful heir to the throne"
   unlawful  wrongful 
   
5. not morally right or permissible
   "unlawful love"
   unlawful