Definition of unlaw:
(n) :
Absence of law; lawlessness.
(v) :
(transitive) To put beyond the protection of the law; to outlaw.
(v) :
(transitive) To deprive of the authority or character of law.
(n) :
(obsolete) A crime, an illegal action.
(n) :
(obsolete) A fine exacted from a transgressor of the law.
(v) :
(transitive, obsolete, Scots law) To fine.