Illegal :: Illegal (a.) Not according to, or authorized by, law; specif., contrary to, or in violation of, human law; unlawful; illicit; hence, immoral; as, an illegal act; illegal trade; illegal love..
Illegality :: Illegality (n.) The quality or condition of being illegal; unlawfulness; as, the illegality of trespass or of false imprisonment; also, an illegal act..
Illegalize :: Illegalize (v. t.) To make or declare illegal or unlawful.