illicit vs unlawful

illicit and unlawful both are adjectives.

Word	Noun	Adjective	Verb	Adverb
illicit	No	Yes	No	No
unlawful	No	Yes	No	No

As adjectives, illicit and unlawful are synonyms defined as:

Other synonyms of illicit include illegitimate, outlaw, outlawed.

illicit (adjective)	unlawful (adjective)
contrary to accepted morality (especially sexual morality) or convention	contrary to or prohibited by or defiant of law
contrary to or forbidden by law	contrary to or forbidden by law
	having no legally established claim
	not morally right or permissible
	not conforming to legality, moral law, or social convention