insincere vs artful

insincere and artful both are adjectives.

Word	Noun	Adjective	Verb	Adverb
insincere	No	Yes	No	No
artful	No	Yes	No	No

insincere (adjective)	artful (adjective)
lacking sincerity	marked by skill in achieving a desired end especially with cunning or craft
	not straightforward or candid; giving a false appearance of frankness