insolent vs barefaced

insolent and barefaced both are adjectives.

Word	Noun	Adjective	Verb	Adverb
insolent	No	Yes	No	No
barefaced	No	Yes	No	No

As adjectives, insolent and barefaced are synonyms defined as:

Other synonyms of insolent include audacious, bald-faced, bodacious, brassy, brazen-faced, brazen.

insolent (adjective)	barefaced (adjective)
marked by casual disrespect	with no effort to conceal
unrestrained by convention or propriety	unrestrained by convention or propriety