outlaw vs lawless

outlaw is a noun but lawless is not a noun.

Word	Noun	Adjective	Verb	Adverb
outlaw	Yes	Yes	Yes	No
lawless	No	Yes	No	No

As adjectives, outlaw and lawless are synonyms defined as:

outlaw (noun)	lawless (noun)
someone who has committed a crime or has been legally convicted of a crime

outlaw (adjective)	lawless (adjective)
contrary to or forbidden by law	without law or control
disobedient to or defiant of law	disobedient to or defiant of law
	lax in enforcing laws

outlaw (verb)	lawless (verb)
declare illegal; outlaw