impudent vs saucy

impudent and saucy both are adjectives.

Word	Noun	Adjective	Verb	Adverb
impudent	No	Yes	No	No
saucy	No	Yes	No	No

As adjectives, impudent and saucy are synonyms defined as:

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

impudent (adjective)	saucy (adjective)
marked by casual disrespect	improperly forward or bold
improperly forward or bold	characterized by a lightly pert and exuberant quality