The opposite prefix to "lawful" is "un-," so the opposite of "lawful" would be "unlawful."
The opposite would be lawful, legal, legitimate, or permitted.
The opposite of crooked or criminal is upright or law-abiding.
Yes.
The opposite of criminal is law-abiding or lawful.
The officer issued a lawful order. It was not lawful to take control of the vehicle. It would have to be a lawful taking for it to hold up in court.
It must be lawful. If it is not, you will be arrested immediately.
He was a lawful permanent resident.
The Lawful Cheater was created on 1925-07-17.
"Lawful husband" means a husband recognized by law.
No, it isn't lawful to fight on the Sabbath, let alone work then.
Outlawed means prohibited by law. Something which has not been outlawed is lawful.