szemtelen

Rude or disrespectful, especially by speaking or behaving in a forward, bold way to someone you should treat with respect.

Overly bold, rude, or disrespectfully forward in manner or speech.

Behaving or speaking in a boldly rude and disrespectful way, especially toward someone who would normally be treated with respect or obedience.

Showing a bold and offensive lack of respect toward someone or toward accepted rules of behavior.

Shockingly bold in a way that shows little respect for rules, social limits, or other people; impudent or shameless.

A person who behaves in a boldly rude and disrespectful way.