What is the meaning of unlawful?

adjective

• Not conforming to legality, moral law, or social convention.
  • usage: "an unconventional marriage"; "improper banking practices"
  • synonyms: improper, unconventional
• Contrary to or prohibited by or defiant of law.
  • usage: "unlawful measures"; "unlawful money"; "unlawful hunters"
• Not morally right or permissible.
  • usage: "unlawful love"
• Having no legally established claim.
  • usage: "the wrongful heir to the throne"
  • synonyms: wrongful
• Contrary to or forbidden by law.
  • usage: "an illegitimate seizure of power"; "illicit trade"; "an outlaw strike"; "unlawful measures"
  • synonyms: illegitimate, illicit, outlaw, outlawed