unlawful

adjective

1. not lawful; contrary to law; illegal.
2. born out of wedlock; illegitimate.

adjective

1. illegal
2. illicit; immoralunlawful love
3. an archaic word for illegitimate

adj.c.1300, from un- (1) “not” + lawful. Unlawful assembly is recorded in statutes from late 15c. Related: Unlawfully.