· not conforming to legality, moral law, or social convention; "an unconventional marriage"; "improper banking practices"
Synonym(s): improper, unconventional
· contrary to or prohibited by or defiant of law; "unlawful measures"; "unlawful money"; "unlawful hunters"
Antonym(s): lawful
· not morally right or permissible; "unlawful love"
· having no legally established claim; "the wrongful heir to the throne"
Synonym(s): wrongful
· contrary to or forbidden by law; "an illegitimate seizure of power"; "illicit trade"; "an outlaw strike"; "unlawful measures"
Synonym(s): illegitimate, illicit, outlaw, outlawed