impure vs pure

impure and pure both are adjectives.

Word	Noun	Adjective	Verb	Adverb
impure	No	Yes	No	No
pure	No	Yes	No	No

impure (adjective)	pure (adjective)
(used of persons or behaviors) immoral or obscene	(used of persons or behaviors) having no faults; sinless
combined with extraneous elements	free of extraneous elements of any kind
having a physical or moral blemish so as to make impure according to dietary or ceremonial laws	(of color) being chromatically pure; not diluted with white or grey or black
	in a state of sexual virginity
	free from discordant qualities
	concerned with theory and data rather than practice; opposed to applied
	without qualification; used informally as (often pejorative) intensifiers