wise vs impertinent

wise is a noun but impertinent is not a noun.

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

As adjectives, wise and impertinent are synonyms defined as:

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

wise (noun)	impertinent (noun)
a way of doing or being

wise (adjective)	impertinent (adjective)
having or prompted by wisdom or discernment	improperly forward or bold
improperly forward or bold	not pertinent to the matter under consideration
evidencing the possession of inside information	characterized by a lightly pert and exuberant quality
marked by the exercise of good judgment or common sense in practical matters