overbold vs impertinent

overbold and impertinent both are adjectives.

Word	Noun	Adjective	Verb	Adverb
overbold	No	Yes	No	No
impertinent	No	Yes	No	No

As adjectives, overbold and impertinent are synonyms defined as:

Other synonyms of overbold include fresh, impudent, sassy, saucy, smart, wise.

overbold (adjective)	impertinent (adjective)
improperly forward or bold	improperly forward or bold
	not pertinent to the matter under consideration
	characterized by a lightly pert and exuberant quality