Webster's Revised Unabridged Dictionary · 1913

Impudent

Impudent (im"pu*dent) , adjective

[Latin impudens, -entis; pref. im- not + pudens ashamed, modest, present participle of pudere to feel shame: compare French impudent.]

1.
Behaving boldly, with contempt or disregard for propriety in behavior toward others; unblushingly forward; impertinent; saucy.
More than impudent sauciness. — Shakespeare
When we behold an angel, not to fear Is to be impudent. — Dryden
2.
Lacking modesty; shameless. [Obsolete]