definition of
unlawful

[1] #1 unlawful s. [improper, unconventional] not conforming to legality, moral law, or social convention; "an unconventional marriage"; "improper banking practices". wn

[2] #2 unlawful a. contrary to or prohibited by or defiant of law; "unlawful measures"; "unlawful money"; "unlawful hunters". wn

[3] #3 unlawful s. [wrongful] having no legally established claim; "the wrongful heir to the throne". wn

[4] #4 unlawful s. [illegitimate, illicit, outlaw, outlawed] contrary to or forbidden by law; "an illegitimate seizure of power"; "illicit trade"; "an outlaw strike"; "unlawful measures". wn