unrighteous vs sinful

unrighteous and sinful both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unrighteous	No	Yes	No	No
sinful	No	Yes	No	No

unrighteous (adjective)	sinful (adjective)
not righteous	far more than usual or expected
	having committed unrighteous acts
	characterized by iniquity; wicked because it is believed to be a sin