Nouns

(n)criminal, felon, crook, outlaw, malefactorsomeone who has committed a crime or has been legally convicted of a crime

Verbs

(v)outlaw, criminalize, criminalise, illegalize, illegalisedeclare illegal; outlaw“Marijuana is criminalized in the U.S.”

Adjectives

(s)illegitimate, illicit, outlaw, outlawed, unlawfulcontrary to or forbidden by law“an illegitimate seizure of power”, “illicit trade”, “an outlaw strike”, “unlawful measures”
(s)lawless, outlawdisobedient to or defiant of law“lawless bands roaming the plains”